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2020.acl-main.573
Continual relation learning aims to continually train a model on new data to learn incessantly emerging novel relations while avoiding catastrophically forgetting old relations . Some pioneering work has proved that storing a handful of historical relation examples in episodic memory and replaying them in subsequent tr...
Storing histories of examples is shown to be effective for continual relation learning however existing methods suffer from overfitting to memorize a few old memories.
challenge
aspect_first
What is the main research challenge motivating this study? Provide a concise summary. Return only the summary in one sentence. --- Document: Continual relation learning aims to continually train a model on new data to learn incessantly emerging novel relations while avoiding catastrophically forgetting old relations ....
sobamchan/aclsum
1
full_paper
P19-1252
In this paper , we investigate the importance of social network information compared to content information in the prediction of a Twitter user 's occupational class . We show that the content information of a user 's tweets , the profile descriptions of a user 's follower / following community , and the user 's social...
Existing systems only use limited information from the tweets network to perform occupation classification.
challenge
coverage_first
State the difficulty of the study. --- Document: In this paper , we investigate the importance of social network information compared to content information in the prediction of a Twitter user 's occupational class . We show that the content information of a user 's tweets , the profile descriptions of a user 's follo...
sobamchan/aclsum
2
full_paper
2021.emnlp-main.185
Learning sentence embeddings from dialogues has drawn increasing attention due to its low annotation cost and high domain adaptability . Conventional approaches employ the siamese-network for this task , which obtains the sentence embeddings through modeling the context-response semantic relevance by applying a feed-fo...
They propose a dialogue-based contrastive learning approach to learn sentence embeddings from dialogues by modelling semantic matching relationships between the context and response implicitly.
approach
aspect_first
Outline the methodology used by the authors to solve the stated challenge. Return only the summary in one sentence. --- Document: Learning sentence embeddings from dialogues has drawn increasing attention due to its low annotation cost and high domain adaptability . Conventional approaches employ the siamese-network f...
sobamchan/aclsum
2
full_paper
2021.naacl-main.72
Multi-layer multi-head self-attention mechanism is widely applied in modern neural language models . Attention redundancy has been observed among attention heads but has not been deeply studied in the literature . Using BERT-base model as an example , this paper provides a comprehensive study on attention redundancy wh...
They perform token and sentence level analysis on redundancy matrices from pre-trained and fine-tuned BERT-base models and further propose a pruning method based on findings.
approach
coverage_first
Give the approach described. --- Document: Multi-layer multi-head self-attention mechanism is widely applied in modern neural language models . Attention redundancy has been observed among attention heads but has not been deeply studied in the literature . Using BERT-base model as an example , this paper provides a co...
sobamchan/aclsum
1
full_paper
N13-1083
We investigate two systems for automatic disfluency detection on English and Mandarin conversational speech data . The first system combines various lexical and prosodic features in a Conditional Random Field model for detecting edit disfluencies . The second system combines acoustic and language model scores for detec...
They evaluate a Conditional Random Field-based edit disfluency detection model and a system which combines acoustic and language model that detects filled pauses in Mandarin.
approach
coverage_first
Summarize the method. --- Document: We investigate two systems for automatic disfluency detection on English and Mandarin conversational speech data . The first system combines various lexical and prosodic features in a Conditional Random Field model for detecting edit disfluencies . The second system combines acousti...
sobamchan/aclsum
0
full_paper
2021.naacl-main.150
A conventional approach to improving the performance of end-to-end speech translation ( E2E-ST ) models is to leverage the source transcription via pre-training and joint training with automatic speech recognition ( ASR ) and neural machine translation ( NMT ) tasks . However , since the input modalities are different ...
Evaluations on autoregressive and non-autoregressive models show that the proposed method improves in both directions and the results are consistent in different model sizes.
outcome
aspect_first
What are the primary outcomes of the study? Give a concise overview. Return only the summary in one sentence. --- Document: A conventional approach to improving the performance of end-to-end speech translation ( E2E-ST ) models is to leverage the source transcription via pre-training and joint training with automatic ...
sobamchan/aclsum
1
full_paper
2021.acl-long.420
We study the problem of leveraging the syntactic structure of text to enhance pre-trained models such as BERT and RoBERTa . Existing methods utilize syntax of text either in the pre-training stage or in the fine-tuning stage , so that they suffer from discrepancy between the two stages . Such a problem would lead to th...
Existing ways of injecting syntactic knowledge into pretraining models cause discrepancies between pretraining and fine-tuning and require expensive annotation.
challenge
coverage_first
Give the problem in short form. --- Document: We study the problem of leveraging the syntactic structure of text to enhance pre-trained models such as BERT and RoBERTa . Existing methods utilize syntax of text either in the pre-training stage or in the fine-tuning stage , so that they suffer from discrepancy between t...
sobamchan/aclsum
1
full_paper
P18-1222
Hypertext documents , such as web pages and academic papers , are of great importance in delivering information in our daily life . Although being effective on plain documents , conventional text embedding methods suffer from information loss if directly adapted to hyper-documents . In this paper , we propose a general...
Existing text embedding methods do not take structures of hyper-documents into account losing useful properties for downstream tasks.
challenge
aspect_first
What is the main research challenge motivating this study? Provide a concise summary. Return only the summary in one sentence. --- Document: Hypertext documents , such as web pages and academic papers , are of great importance in delivering information in our daily life . Although being effective on plain documents , ...
sobamchan/aclsum
1
full_paper
E06-1051
We propose an approach for extracting relations between entities from biomedical literature based solely on shallow linguistic information . We use a combination of kernel functions to integrate two different information sources : ( i ) the whole sentence where the relation appears , and ( ii ) the local contexts aroun...
They propose an approach for entity relation extraction using shallow linguistic information such as tokenization, sentence splitting, Part-of-Speech tagging and lemmatization coupled with kernel functions.
approach
coverage_first
What did the authors do? --- Document: We propose an approach for extracting relations between entities from biomedical literature based solely on shallow linguistic information . We use a combination of kernel functions to integrate two different information sources : ( i ) the whole sentence where the relation appea...
sobamchan/aclsum
2
full_paper
P18-1222
Hypertext documents , such as web pages and academic papers , are of great importance in delivering information in our daily life . Although being effective on plain documents , conventional text embedding methods suffer from information loss if directly adapted to hyper-documents . In this paper , we propose a general...
Existing text embedding methods do not take structures of hyper-documents into account losing useful properties for downstream tasks.
challenge
coverage_first
State the difficulty of the study. --- Document: Hypertext documents , such as web pages and academic papers , are of great importance in delivering information in our daily life . Although being effective on plain documents , conventional text embedding methods suffer from information loss if directly adapted to hype...
sobamchan/aclsum
2
full_paper
P16-1067
This paper proposes an unsupervised approach for segmenting a multiauthor document into authorial components . The key novelty is that we utilize the sequential patterns hidden among document elements when determining their authorships . For this purpose , we adopt Hidden Markov Model ( HMM ) and construct a sequential...
They propose a HMM-based sequential probabilistic model that captures the dependencies of sequential sentences and their authors coupled with an unsupervised initialization method.
approach
aspect_first
Outline the methodology used by the authors to solve the stated challenge. Return only the summary in one sentence. --- Document: This paper proposes an unsupervised approach for segmenting a multiauthor document into authorial components . The key novelty is that we utilize the sequential patterns hidden among docume...
sobamchan/aclsum
2
full_paper
N18-1114
We present a new approach to the design of deep networks for natural language processing ( NLP ) , based on the general technique of Tensor Product Representations ( TPRs ) for encoding and processing symbol structures in distributed neural networks . A network architecture -the Tensor Product Generation Network ( TPGN...
They propose a newly designed model that is based on Tensor Product Representations for encoding and processing words and sentences.
approach
coverage_first
Give the approach described. --- Document: We present a new approach to the design of deep networks for natural language processing ( NLP ) , based on the general technique of Tensor Product Representations ( TPRs ) for encoding and processing symbol structures in distributed neural networks . A network architecture -...
sobamchan/aclsum
1
full_paper
2020.acl-main.528
Recently , many works have tried to augment the performance of Chinese named entity recognition ( NER ) using word lexicons . As a representative , Lattice-LSTM ( Zhang and Yang , 2018 ) has achieved new benchmark results on several public Chinese NER datasets . However , Lattice-LSTM has a complex model architecture ....
Named entity recognition in Chinese requires word segmentation causes errors or character-level model with lexical features that is complex and expensive.
challenge
aspect_first
From the following paper excerpt, summarize the key problem or challenge the authors aim to address. Return only the summary in one sentence. --- Document: Recently , many works have tried to augment the performance of Chinese named entity recognition ( NER ) using word lexicons . As a representative , Lattice-LSTM ( ...
sobamchan/aclsum
0
full_paper
E09-1032
We explore the problem of resolving the second person English pronoun you in multi-party dialogue , using a combination of linguistic and visual features . First , we distinguish generic and referential uses , then we classify the referential uses as either plural or singular , and finally , for the latter cases , we i...
Although the word "you" is frequently used and has several possible meanings, such as reference or generic, it is not well studied yet.
challenge
aspect_first
Extract a short summary of the core issue that the paper targets. Return only the summary in one sentence. --- Document: We explore the problem of resolving the second person English pronoun you in multi-party dialogue , using a combination of linguistic and visual features . First , we distinguish generic and referen...
sobamchan/aclsum
2
full_paper
D09-1115
Current system combination methods usually use confusion networks to find consensus translations among different systems . Requiring one-to-one mappings between the words in candidate translations , confusion networks have difficulty in handling more general situations in which several words are connected to another se...
System combination methods based on confusion networks only allow word level 1-to-1 mappings, and some workarounds cause another type of problem such as degeneration.
challenge
aspect_first
Extract a short summary of the core issue that the paper targets. Return only the summary in one sentence. --- Document: Current system combination methods usually use confusion networks to find consensus translations among different systems . Requiring one-to-one mappings between the words in candidate translations ,...
sobamchan/aclsum
2
full_paper
N19-1233
Generative Adversarial Networks ( GANs ) are a promising approach for text generation that , unlike traditional language models ( LM ) , does not suffer from the problem of " exposure bias " . However , A major hurdle for understanding the potential of GANs for text generation is the lack of a clear evaluation metric ....
They propose a way to approximate distributions from GAN-based models' outputs so that they can be evaluated as standard language models.
approach
coverage_first
What did the authors do? --- Document: Generative Adversarial Networks ( GANs ) are a promising approach for text generation that , unlike traditional language models ( LM ) , does not suffer from the problem of " exposure bias " . However , A major hurdle for understanding the potential of GANs for text generation is...
sobamchan/aclsum
2
full_paper
N09-1072
Automatically extracting social meaning and intention from spoken dialogue is an important task for dialogue systems and social computing . We describe a system for detecting elements of interactional style : whether a speaker is awkward , friendly , or flirtatious . We create and use a new spoken corpus of 991 4-minut...
Methods to extract social meanings such as engagement from speech remain unknown while it is important in sociolinguistics and to develop socially aware computing systems.
challenge
coverage_first
State the difficulty of the study. --- Document: Automatically extracting social meaning and intention from spoken dialogue is an important task for dialogue systems and social computing . We describe a system for detecting elements of interactional style : whether a speaker is awkward , friendly , or flirtatious . We...
sobamchan/aclsum
2
full_paper
2020.acl-main.443
There is an increasing interest in studying natural language and computer code together , as large corpora of programming texts become readily available on the Internet . For example , StackOverflow currently has over 15 million programming related questions written by 8.5 million users . Meanwhile , there is still a l...
The proposed model outperforms BiLSTM-CRF and fine-tuned BERT models by achieving a 79.10 F1 score for code and named entity recognition on their dataset which
outcome
aspect_first
Extract a short summary of the paperโ€™s results and conclusions. Return only the summary in one sentence. --- Document: There is an increasing interest in studying natural language and computer code together , as large corpora of programming texts become readily available on the Internet . For example , StackOverflow c...
sobamchan/aclsum
2
full_paper
D18-1065
In this paper we show that a simple beam approximation of the joint distribution between attention and output is an easy , accurate , and efficient attention mechanism for sequence to sequence learning . The method combines the advantage of sharp focus in hard attention and the implementation ease of soft attention . O...
Softmax attention models are popular because of their differentiable and easy to implement nature while hard attention models outperform them when successfully trained.
challenge
aspect_first
From the following paper excerpt, summarize the key problem or challenge the authors aim to address. Return only the summary in one sentence. --- Document: In this paper we show that a simple beam approximation of the joint distribution between attention and output is an easy , accurate , and efficient attention mecha...
sobamchan/aclsum
0
full_paper
2020.acl-main.573
Continual relation learning aims to continually train a model on new data to learn incessantly emerging novel relations while avoiding catastrophically forgetting old relations . Some pioneering work has proved that storing a handful of historical relation examples in episodic memory and replaying them in subsequent tr...
Storing histories of examples is shown to be effective for continual relation learning however existing methods suffer from overfitting to memorize a few old memories.
challenge
coverage_first
State the difficulty of the study. --- Document: Continual relation learning aims to continually train a model on new data to learn incessantly emerging novel relations while avoiding catastrophically forgetting old relations . Some pioneering work has proved that storing a handful of historical relation examples in e...
sobamchan/aclsum
2
full_paper
D09-1042
This paper presents an effective method for generating natural language sentences from their underlying meaning representations . The method is built on top of a hybrid tree representation that jointly encodes both the meaning representation as well as the natural language in a tree structure . By using a tree conditio...
They propose a phrase-level tree conditional random field that uses a hybrid tree of a meaning representation for the text generation model.
approach
aspect_first
Outline the methodology used by the authors to solve the stated challenge. Return only the summary in one sentence. --- Document: This paper presents an effective method for generating natural language sentences from their underlying meaning representations . The method is built on top of a hybrid tree representation ...
sobamchan/aclsum
2
full_paper
P19-1081
We study a conversational reasoning model that strategically traverses through a largescale common fact knowledge graph ( KG ) to introduce engaging and contextually diverse entities and attributes . For this study , we collect a new Open-ended Dialog โ†” KG parallel corpus called OpenDialKG , where each utterance from 1...
Using a large knowledge base for dialogue systems is intractable or not scalable which calls for methods that prune search space for entities.
challenge
coverage_first
What issue is this paper about? --- Document: We study a conversational reasoning model that strategically traverses through a largescale common fact knowledge graph ( KG ) to introduce engaging and contextually diverse entities and attributes . For this study , we collect a new Open-ended Dialog โ†” KG parallel corpus ...
sobamchan/aclsum
0
full_paper
E14-1026
We present a simple preordering approach for machine translation based on a featurerich logistic regression model to predict whether two children of the same node in the source-side parse tree should be swapped or not . Given the pair-wise children regression scores we conduct an efficient depth-first branch-and-bound ...
Preordering methods for machine translation systems that involve little or no human assistance, run on limited computational resources and use linguistic analysis tools are required.
challenge
coverage_first
Give the problem in short form. --- Document: We present a simple preordering approach for machine translation based on a featurerich logistic regression model to predict whether two children of the same node in the source-side parse tree should be swapped or not . Given the pair-wise children regression scores we con...
sobamchan/aclsum
1
full_paper
P10-1077
Prior use of machine learning in genre classification used a list of labels as classification categories . However , genre classes are often organised into hierarchies , e.g. , covering the subgenres of fiction . In this paper we present a method of using the hierarchy of labels to improve the classification accuracy ....
The proposed model outperforms non-hierarchical models on only one corpus and they discuss that it may be due to insufficient depth or inbalance of hierarchies.
outcome
coverage_first
Summarize the results. --- Document: Prior use of machine learning in genre classification used a list of labels as classification categories . However , genre classes are often organised into hierarchies , e.g. , covering the subgenres of fiction . In this paper we present a method of using the hierarchy of labels to...
sobamchan/aclsum
0
full_paper
2021.emnlp-main.66
This paper proposes to study a fine-grained semantic novelty detection task , which can be illustrated with the following example . It is normal that a person walks a dog in the park , but if someone says " A man is walking a chicken in the park , " it is novel . Given a set of natural language descriptions of normal s...
The proposed model outperforms 11 baseline models on the created dataset from an image caption dataset for the proposed task by large margins.
outcome
aspect_first
Summarize the main results or outcomes reported by the authors. Return only the summary in one sentence. --- Document: This paper proposes to study a fine-grained semantic novelty detection task , which can be illustrated with the following example . It is normal that a person walks a dog in the park , but if someone ...
sobamchan/aclsum
0
full_paper
2021.emnlp-main.66
This paper proposes to study a fine-grained semantic novelty detection task , which can be illustrated with the following example . It is normal that a person walks a dog in the park , but if someone says " A man is walking a chicken in the park , " it is novel . Given a set of natural language descriptions of normal s...
The proposed model outperforms 11 baseline models on the created dataset from an image caption dataset for the proposed task by large margins.
outcome
coverage_first
Summarize the results. --- Document: This paper proposes to study a fine-grained semantic novelty detection task , which can be illustrated with the following example . It is normal that a person walks a dog in the park , but if someone says " A man is walking a chicken in the park , " it is novel . Given a set of nat...
sobamchan/aclsum
0
full_paper
N16-1103
Universal schema builds a knowledge base ( KB ) of entities and relations by jointly embedding all relation types from input KBs as well as textual patterns observed in raw text . In most previous applications of universal schema , each textual pattern is represented as a single embedding , preventing generalization to...
Existing approaches to incorporate universal schemas for automatic knowledge base construction has limitation in generalization to unseen inputs from training time.
challenge
aspect_first
What is the main research challenge motivating this study? Provide a concise summary. Return only the summary in one sentence. --- Document: Universal schema builds a knowledge base ( KB ) of entities and relations by jointly embedding all relation types from input KBs as well as textual patterns observed in raw text ...
sobamchan/aclsum
1
full_paper
D09-1072
We propose a new model for unsupervised POS tagging based on linguistic distinctions between open and closed-class items . Exploiting notions from current linguistic theory , the system uses far less information than previous systems , far simpler computational methods , and far sparser descriptions in learning context...
They propose to first identify functional syntactic contexts and then use them to make predictions for POS tagging.
approach
coverage_first
What did the authors do? --- Document: We propose a new model for unsupervised POS tagging based on linguistic distinctions between open and closed-class items . Exploiting notions from current linguistic theory , the system uses far less information than previous systems , far simpler computational methods , and far ...
sobamchan/aclsum
2
full_paper
P16-1089
We present the Siamese Continuous Bag of Words ( Siamese CBOW ) model , a neural network for efficient estimation of highquality sentence embeddings . Averaging the embeddings of words in a sentence has proven to be a surprisingly successful and efficient way of obtaining sentence embeddings . However , word embeddings...
They propose to train word embeddings directly for the purpose of being averaged by predicting sounding sentences from a sentence representation using unlabeled data.
approach
coverage_first
What did the authors do? --- Document: We present the Siamese Continuous Bag of Words ( Siamese CBOW ) model , a neural network for efficient estimation of highquality sentence embeddings . Averaging the embeddings of words in a sentence has proven to be a surprisingly successful and efficient way of obtaining sentenc...
sobamchan/aclsum
2
full_paper
P12-1013
Learning entailment rules is fundamental in many semantic-inference applications and has been an active field of research in recent years . In this paper we address the problem of learning transitive graphs that describe entailment rules between predicates ( termed entailment graphs ) . We first identify that entailmen...
Current inefficient algorithms aim to obtain entailment rules for semantic inference hindering the use of large resources.
challenge
coverage_first
State the difficulty of the study. --- Document: Learning entailment rules is fundamental in many semantic-inference applications and has been an active field of research in recent years . In this paper we address the problem of learning transitive graphs that describe entailment rules between predicates ( termed enta...
sobamchan/aclsum
2
full_paper
N07-1011
Traditional noun phrase coreference resolution systems represent features only of pairs of noun phrases . In this paper , we propose a machine learning method that enables features over sets of noun phrases , resulting in a first-order probabilistic model for coreference . We outline a set of approximations that make t...
Evaluation on the ACE coreference dataset, the proposed method achieves a 45% error reduction over a previous method.
outcome
coverage_first
Describe the conclusions briefly. --- Document: Traditional noun phrase coreference resolution systems represent features only of pairs of noun phrases . In this paper , we propose a machine learning method that enables features over sets of noun phrases , resulting in a first-order probabilistic model for coreference...
sobamchan/aclsum
2
full_paper
2020.emnlp-main.384
Word embedding models are typically able to capture the semantics of words via the distributional hypothesis , but fail to capture the numerical properties of numbers that appear in a text . This leads to problems with numerical reasoning involving tasks such as question answering . We propose a new methodology to assi...
They propose a deterministic technique to learn numerical embeddings where cosine similarity reflects the actual distance and a regularization approach for a contextual setting.
approach
coverage_first
Give the approach described. --- Document: Word embedding models are typically able to capture the semantics of words via the distributional hypothesis , but fail to capture the numerical properties of numbers that appear in a text . This leads to problems with numerical reasoning involving tasks such as question answ...
sobamchan/aclsum
1
full_paper
P19-1252
In this paper , we investigate the importance of social network information compared to content information in the prediction of a Twitter user 's occupational class . We show that the content information of a user 's tweets , the profile descriptions of a user 's follower / following community , and the user 's social...
They show that textual feature enables graph neural networks to predict Twitter user occupation well even with a limited amount of training data.
outcome
coverage_first
Describe the conclusions briefly. --- Document: In this paper , we investigate the importance of social network information compared to content information in the prediction of a Twitter user 's occupational class . We show that the content information of a user 's tweets , the profile descriptions of a user 's follow...
sobamchan/aclsum
2
full_paper
D13-1158
Recent studies on extractive text summarization formulate it as a combinatorial optimization problem such as a Knapsack Problem , a Maximum Coverage Problem or a Budgeted Median Problem . These methods successfully improved summarization quality , but they did not consider the rhetorical relations between the textual u...
Existing optimization-based methods for extractive summarization do not consider the rhetorical relations between textual units leading to generating uncoherent summaries or missing significant textual units.
challenge
coverage_first
State the difficulty of the study. --- Document: Recent studies on extractive text summarization formulate it as a combinatorial optimization problem such as a Knapsack Problem , a Maximum Coverage Problem or a Budgeted Median Problem . These methods successfully improved summarization quality , but they did not consi...
sobamchan/aclsum
2
full_paper
P19-1252
In this paper , we investigate the importance of social network information compared to content information in the prediction of a Twitter user 's occupational class . We show that the content information of a user 's tweets , the profile descriptions of a user 's follower / following community , and the user 's social...
Existing systems only use limited information from the tweets network to perform occupation classification.
challenge
aspect_first
What is the main research challenge motivating this study? Provide a concise summary. Return only the summary in one sentence. --- Document: In this paper , we investigate the importance of social network information compared to content information in the prediction of a Twitter user 's occupational class . We show th...
sobamchan/aclsum
1
full_paper
P02-1051
Named entity phrases are some of the most difficult phrases to translate because new phrases can appear from nowhere , and because many are domain specific , not to be found in bilingual dictionaries . We present a novel algorithm for translating named entity phrases using easily obtainable monolingual and bilingual re...
Translating named entities is challenging since they can appear from nowhere, and cannot be found in bilingual dictionaries because they are domain specific.
challenge
coverage_first
State the difficulty of the study. --- Document: Named entity phrases are some of the most difficult phrases to translate because new phrases can appear from nowhere , and because many are domain specific , not to be found in bilingual dictionaries . We present a novel algorithm for translating named entity phrases us...
sobamchan/aclsum
2
full_paper
P12-1103
We propose a novel approach to improve SMT via paraphrase rules which are automatically extracted from the bilingual training data . Without using extra paraphrase resources , we acquire the rules by comparing the source side of the parallel corpus with the target-to-source translations of the target side . Besides the...
Incorporating paraphrases improves statistical machine translation however no works investigate sentence level paraphrases.
challenge
coverage_first
State the difficulty of the study. --- Document: We propose a novel approach to improve SMT via paraphrase rules which are automatically extracted from the bilingual training data . Without using extra paraphrase resources , we acquire the rules by comparing the source side of the parallel corpus with the target-to-so...
sobamchan/aclsum
2
full_paper
P16-1067
This paper proposes an unsupervised approach for segmenting a multiauthor document into authorial components . The key novelty is that we utilize the sequential patterns hidden among document elements when determining their authorships . For this purpose , we adopt Hidden Markov Model ( HMM ) and construct a sequential...
Experiments with artificial and authentic scientific document datasets show that the proposed model outperforms existing methods and also be able to provide confidence scores.
outcome
coverage_first
Describe the conclusions briefly. --- Document: This paper proposes an unsupervised approach for segmenting a multiauthor document into authorial components . The key novelty is that we utilize the sequential patterns hidden among document elements when determining their authorships . For this purpose , we adopt Hidde...
sobamchan/aclsum
2
full_paper
D09-1072
We propose a new model for unsupervised POS tagging based on linguistic distinctions between open and closed-class items . Exploiting notions from current linguistic theory , the system uses far less information than previous systems , far simpler computational methods , and far sparser descriptions in learning context...
Current approaches tackle unsupervised POS tagging as a sequential labelling problem and require a complete knowledge of the lexicon.
challenge
aspect_first
What is the main research challenge motivating this study? Provide a concise summary. Return only the summary in one sentence. --- Document: We propose a new model for unsupervised POS tagging based on linguistic distinctions between open and closed-class items . Exploiting notions from current linguistic theory , the...
sobamchan/aclsum
1
full_paper
D09-1085
This paper introduces a new parser evaluation corpus containing around 700 sentences annotated with unbounded dependencies , from seven different grammatical constructions . We run a series of off-theshelf parsers on the corpus to evaluate how well state-of-the-art parsing technology is able to recover such dependencie...
They propose a new corpus with unbounded dependencies from difference grammatical constructions.
approach
aspect_first
How do the authors address the problem? Provide a brief summary of their approach. Return only the summary in one sentence. --- Document: This paper introduces a new parser evaluation corpus containing around 700 sentences annotated with unbounded dependencies , from seven different grammatical constructions . We run ...
sobamchan/aclsum
1
full_paper
E06-1014
Probabilistic Latent Semantic Analysis ( PLSA ) models have been shown to provide a better model for capturing polysemy and synonymy than Latent Semantic Analysis ( LSA ) . However , the parameters of a PLSA model are trained using the Expectation Maximization ( EM ) algorithm , and as a result , the trained model is d...
They show that the model initialized in the proposed method always outperforms existing methods.
outcome
aspect_first
Extract a short summary of the paperโ€™s results and conclusions. Return only the summary in one sentence. --- Document: Probabilistic Latent Semantic Analysis ( PLSA ) models have been shown to provide a better model for capturing polysemy and synonymy than Latent Semantic Analysis ( LSA ) . However , the parameters of...
sobamchan/aclsum
2
full_paper
D16-1205
Several studies on sentence processing suggest that the mental lexicon keeps track of the mutual expectations between words . Current DSMs , however , represent context words as separate features , thereby loosing important information for word expectations , such as word interrelations . In this paper , we present a D...
They show that representations obtained by the proposed model outperform more complex models on two verb similarity datasets with a limited training corpus.
outcome
aspect_first
What are the primary outcomes of the study? Give a concise overview. Return only the summary in one sentence. --- Document: Several studies on sentence processing suggest that the mental lexicon keeps track of the mutual expectations between words . Current DSMs , however , represent context words as separate features...
sobamchan/aclsum
1
full_paper
2021.emnlp-main.66
This paper proposes to study a fine-grained semantic novelty detection task , which can be illustrated with the following example . It is normal that a person walks a dog in the park , but if someone says " A man is walking a chicken in the park , " it is novel . Given a set of natural language descriptions of normal s...
They propose a fine-grained semantic novelty detection problem where systems detect whether a textual description is a novel fact, coupled with a graph attention-based model.
approach
aspect_first
Outline the methodology used by the authors to solve the stated challenge. Return only the summary in one sentence. --- Document: This paper proposes to study a fine-grained semantic novelty detection task , which can be illustrated with the following example . It is normal that a person walks a dog in the park , but ...
sobamchan/aclsum
2
full_paper
D09-1066
Distance-based ( windowless ) word assocation measures have only very recently appeared in the NLP literature and their performance compared to existing windowed or frequency-based measures is largely unknown . We conduct a largescale empirical comparison of a variety of distance-based and frequency-based measures for ...
The performance of new windowless word association measures which take the number of tokens separating words into account remains unknown.
challenge
coverage_first
Give the problem in short form. --- Document: Distance-based ( windowless ) word assocation measures have only very recently appeared in the NLP literature and their performance compared to existing windowed or frequency-based measures is largely unknown . We conduct a largescale empirical comparison of a variety of d...
sobamchan/aclsum
1
full_paper
D12-1061
This paper explores log-based query expansion ( QE ) models for Web search . Three lexicon models are proposed to bridge the lexical gap between Web documents and user queries . These models are trained on pairs of user queries and titles of clicked documents . Evaluations on a real world data set show that the lexicon...
They propose to train lexicon query expansion models by using transaction logs that contain pairs of queries and titles of clicked documents.
approach
aspect_first
Summarize the method or approach the authors propose to tackle the problem. Return only the summary in one sentence. --- Document: This paper explores log-based query expansion ( QE ) models for Web search . Three lexicon models are proposed to bridge the lexical gap between Web documents and user queries . These mode...
sobamchan/aclsum
0
full_paper
N15-1159
This paper describes a simple and principled approach to automatically construct sentiment lexicons using distant supervision . We induce the sentiment association scores for the lexicon items from a model trained on a weakly supervised corpora . Our empirical findings show that features extracted from such a machine-l...
They propose to use Twitter's noisy opinion labels as distant supervision to learn a supervised polarity classifier and use it to obtain sentiment lexicons.
approach
coverage_first
What did the authors do? --- Document: This paper describes a simple and principled approach to automatically construct sentiment lexicons using distant supervision . We induce the sentiment association scores for the lexicon items from a model trained on a weakly supervised corpora . Our empirical findings show that ...
sobamchan/aclsum
2
full_paper
2020.aacl-main.88
Large pre-trained language models reach stateof-the-art results on many different NLP tasks when fine-tuned individually ; They also come with a significant memory and computational requirements , calling for methods to reduce model sizes ( green AI ) . We propose a twostage model-compression method to reduce a model '...
Existing coarse-grained approaches for reducing the inference time of pretraining models remove layers, posing a trade-off between compression and the accuracy of a model.
challenge
coverage_first
State the difficulty of the study. --- Document: Large pre-trained language models reach stateof-the-art results on many different NLP tasks when fine-tuned individually ; They also come with a significant memory and computational requirements , calling for methods to reduce model sizes ( green AI ) . We propose a two...
sobamchan/aclsum
2
full_paper
P18-1256
We introduce the task of predicting adverbial presupposition triggers such as also and again . Solving such a task requires detecting recurring or similar events in the discourse context , and has applications in natural language generation tasks such as summarization and dialogue systems . We create two new datasets f...
The proposed model outperforms baselines including an LSTM-based language model on most of the triggers on the two datasets.
outcome
coverage_first
Give the outcomes in a sentence. --- Document: We introduce the task of predicting adverbial presupposition triggers such as also and again . Solving such a task requires detecting recurring or similar events in the discourse context , and has applications in natural language generation tasks such as summarization and...
sobamchan/aclsum
1
full_paper
2021.emnlp-main.765
The clustering-based unsupervised relation discovery method has gradually become one of the important methods of open relation extraction ( OpenRE ) . However , high-dimensional vectors can encode complex linguistic information which leads to the problem that the derived clusters can not explicitly align with the relat...
They propose to use available relation labeled data to obtain relation-oriented representation by minimizing the distance between the same relation instances.
approach
coverage_first
Give the approach described. --- Document: The clustering-based unsupervised relation discovery method has gradually become one of the important methods of open relation extraction ( OpenRE ) . However , high-dimensional vectors can encode complex linguistic information which leads to the problem that the derived clus...
sobamchan/aclsum
1
full_paper
P03-1015
The paper describes two parsing schemes : a shallow approach based on machine learning and a cascaded finite-state parser with a hand-crafted grammar . It discusses several ways to combine them and presents evaluation results for the two individual approaches and their combination . An underspecification scheme for the...
They propose several ways to combine a machine learning-based shallow method and a hand-crafted grammar-based cascaded method for parsers.
approach
coverage_first
Summarize the method. --- Document: The paper describes two parsing schemes : a shallow approach based on machine learning and a cascaded finite-state parser with a hand-crafted grammar . It discusses several ways to combine them and presents evaluation results for the two individual approaches and their combination ....
sobamchan/aclsum
0
full_paper
E17-1110
The growing demand for structured knowledge has led to great interest in relation extraction , especially in cases with limited supervision . However , existing distance supervision approaches only extract relations expressed in single sentences . In general , cross-sentence relation extraction is under-explored , even...
Experiments on extracting drug-gene interactions from biomedical literature show that the proposed method doubles the performance of single-sentence extraction methods.
outcome
aspect_first
Extract a short summary of the paperโ€™s results and conclusions. Return only the summary in one sentence. --- Document: The growing demand for structured knowledge has led to great interest in relation extraction , especially in cases with limited supervision . However , existing distance supervision approaches only ex...
sobamchan/aclsum
2
full_paper
P19-1252
In this paper , we investigate the importance of social network information compared to content information in the prediction of a Twitter user 's occupational class . We show that the content information of a user 's tweets , the profile descriptions of a user 's follower / following community , and the user 's social...
They extend existing Twitter occupation classification graph-based models to exploit content information by adding textual data to existing datasets.
approach
coverage_first
What did the authors do? --- Document: In this paper , we investigate the importance of social network information compared to content information in the prediction of a Twitter user 's occupational class . We show that the content information of a user 's tweets , the profile descriptions of a user 's follower / foll...
sobamchan/aclsum
2
full_paper
2021.naacl-main.150
A conventional approach to improving the performance of end-to-end speech translation ( E2E-ST ) models is to leverage the source transcription via pre-training and joint training with automatic speech recognition ( ASR ) and neural machine translation ( NMT ) tasks . However , since the input modalities are different ...
They propose a bidirectional sequence knowledge distillation which learns from text-based NMT systems with a single decoder to enhance the model to capture semantic representations.
approach
aspect_first
Outline the methodology used by the authors to solve the stated challenge. Return only the summary in one sentence. --- Document: A conventional approach to improving the performance of end-to-end speech translation ( E2E-ST ) models is to leverage the source transcription via pre-training and joint training with auto...
sobamchan/aclsum
2
full_paper
N16-1103
Universal schema builds a knowledge base ( KB ) of entities and relations by jointly embedding all relation types from input KBs as well as textual patterns observed in raw text . In most previous applications of universal schema , each textual pattern is represented as a single embedding , preventing generalization to...
They propose to combine universal schemas and neural network-based deep encoders to achieve generalization to an unseen language without additional annotations.
approach
coverage_first
Summarize the method. --- Document: Universal schema builds a knowledge base ( KB ) of entities and relations by jointly embedding all relation types from input KBs as well as textual patterns observed in raw text . In most previous applications of universal schema , each textual pattern is represented as a single emb...
sobamchan/aclsum
0
full_paper
D15-1054
Sponsored search is at the center of a multibillion dollar market established by search technology . Accurate ad click prediction is a key component for this market to function since the pricing mechanism heavily relies on the estimation of click probabilities . Lexical features derived from the text of both the query ...
Conventional word embeddings with a simple integration of click feedback information and averaging to obtain sentence representations do not work well for ad click prediction.
challenge
coverage_first
Give the problem in short form. --- Document: Sponsored search is at the center of a multibillion dollar market established by search technology . Accurate ad click prediction is a key component for this market to function since the pricing mechanism heavily relies on the estimation of click probabilities . Lexical fe...
sobamchan/aclsum
1
full_paper
D17-1222
We propose a new framework for abstractive text summarization based on a sequence-to-sequence oriented encoderdecoder model equipped with a deep recurrent generative decoder ( DRGN ) . Latent structure information implied in the target summaries is learned based on a recurrent latent random model for improving the summ...
Although humans follow inherent structures in summary writing, currently there are no abstractive summarization models which take latent structure information and recurrent dependencies into account.
challenge
coverage_first
State the difficulty of the study. --- Document: We propose a new framework for abstractive text summarization based on a sequence-to-sequence oriented encoderdecoder model equipped with a deep recurrent generative decoder ( DRGN ) . Latent structure information implied in the target summaries is learned based on a re...
sobamchan/aclsum
2
full_paper
D09-1065
demonstrated that corpus-extracted models of semantic knowledge can predict neural activation patterns recorded using fMRI . This could be a very powerful technique for evaluating conceptual models extracted from corpora ; however , fMRI is expensive and imposes strong constraints on data collection . Following on expe...
They propose to use EEG activation patterns instead of fMRI to reduce the cost.
approach
coverage_first
Give the approach described. --- Document: demonstrated that corpus-extracted models of semantic knowledge can predict neural activation patterns recorded using fMRI . This could be a very powerful technique for evaluating conceptual models extracted from corpora ; however , fMRI is expensive and imposes strong constr...
sobamchan/aclsum
1
full_paper
N18-1114
We present a new approach to the design of deep networks for natural language processing ( NLP ) , based on the general technique of Tensor Product Representations ( TPRs ) for encoding and processing symbol structures in distributed neural networks . A network architecture -the Tensor Product Generation Network ( TPGN...
They propose a newly designed model that is based on Tensor Product Representations for encoding and processing words and sentences.
approach
aspect_first
Outline the methodology used by the authors to solve the stated challenge. Return only the summary in one sentence. --- Document: We present a new approach to the design of deep networks for natural language processing ( NLP ) , based on the general technique of Tensor Product Representations ( TPRs ) for encoding and...
sobamchan/aclsum
2
full_paper
P01-1026
We propose a method to generate large-scale encyclopedic knowledge , which is valuable for much NLP research , based on the Web . We first search the Web for pages containing a term in question . Then we use linguistic patterns and HTML structures to extract text fragments describing the term . Finally , we organize ex...
They propose to use word senses and domains for organizing extracted term descriptions on questions extracted from the Web to improve the quality.
approach
coverage_first
Give the approach described. --- Document: We propose a method to generate large-scale encyclopedic knowledge , which is valuable for much NLP research , based on the Web . We first search the Web for pages containing a term in question . Then we use linguistic patterns and HTML structures to extract text fragments de...
sobamchan/aclsum
1
full_paper
P16-1089
We present the Siamese Continuous Bag of Words ( Siamese CBOW ) model , a neural network for efficient estimation of highquality sentence embeddings . Averaging the embeddings of words in a sentence has proven to be a surprisingly successful and efficient way of obtaining sentence embeddings . However , word embeddings...
While an average of word embeddings has proven to be successful as sentence-level representations, it is suboptimal because they are not optimized to represent sentences.
challenge
aspect_first
What is the main research challenge motivating this study? Provide a concise summary. Return only the summary in one sentence. --- Document: We present the Siamese Continuous Bag of Words ( Siamese CBOW ) model , a neural network for efficient estimation of highquality sentence embeddings . Averaging the embeddings of...
sobamchan/aclsum
1
full_paper
P03-1015
The paper describes two parsing schemes : a shallow approach based on machine learning and a cascaded finite-state parser with a hand-crafted grammar . It discusses several ways to combine them and presents evaluation results for the two individual approaches and their combination . An underspecification scheme for the...
Evaluations on a treebank of German newspaper texts show that the proposed method achieves substantial gain when there are ambiguities.
outcome
coverage_first
Summarize the results. --- Document: The paper describes two parsing schemes : a shallow approach based on machine learning and a cascaded finite-state parser with a hand-crafted grammar . It discusses several ways to combine them and presents evaluation results for the two individual approaches and their combination ...
sobamchan/aclsum
0
full_paper
D09-1066
Distance-based ( windowless ) word assocation measures have only very recently appeared in the NLP literature and their performance compared to existing windowed or frequency-based measures is largely unknown . We conduct a largescale empirical comparison of a variety of distance-based and frequency-based measures for ...
The best windowless measures perform on part with best window-based measures on correlation with human association scores.
outcome
coverage_first
Give the outcomes in a sentence. --- Document: Distance-based ( windowless ) word assocation measures have only very recently appeared in the NLP literature and their performance compared to existing windowed or frequency-based measures is largely unknown . We conduct a largescale empirical comparison of a variety of ...
sobamchan/aclsum
1
full_paper
2020.acl-main.282
The International Classification of Diseases ( ICD ) provides a standardized way for classifying diseases , which endows each disease with a unique code . ICD coding aims to assign proper ICD codes to a medical record . Since manual coding is very laborious and prone to errors , many methods have been proposed for the ...
Existing models that classify texts in medical records into the International Classification of Diseases reduce manual efforts however they ignore Code Hierarchy and Code Co-occurrence.
challenge
aspect_first
Extract a short summary of the core issue that the paper targets. Return only the summary in one sentence. --- Document: The International Classification of Diseases ( ICD ) provides a standardized way for classifying diseases , which endows each disease with a unique code . ICD coding aims to assign proper ICD codes ...
sobamchan/aclsum
2
full_paper
D09-1131
This paper employs morphological structures and relations between sentence segments for opinion analysis on words and sentences . Chinese words are classified into eight morphological types by two proposed classifiers , CRF classifier and SVM classifier . Experiments show that the injection of morphological information...
They propose to utilize morphological and syntactic features for Chinese opinion analysis on word and sentence levels.
approach
aspect_first
Summarize the method or approach the authors propose to tackle the problem. Return only the summary in one sentence. --- Document: This paper employs morphological structures and relations between sentence segments for opinion analysis on words and sentences . Chinese words are classified into eight morphological type...
sobamchan/aclsum
0
full_paper
2021.emnlp-main.765
The clustering-based unsupervised relation discovery method has gradually become one of the important methods of open relation extraction ( OpenRE ) . However , high-dimensional vectors can encode complex linguistic information which leads to the problem that the derived clusters can not explicitly align with the relat...
Even though high-dimensional vectors that can encode complex information used for relation extraction are not guaranteed to be consistent with relational semantic similarity.
challenge
aspect_first
What is the main research challenge motivating this study? Provide a concise summary. Return only the summary in one sentence. --- Document: The clustering-based unsupervised relation discovery method has gradually become one of the important methods of open relation extraction ( OpenRE ) . However , high-dimensional ...
sobamchan/aclsum
1
full_paper
P12-1013
Learning entailment rules is fundamental in many semantic-inference applications and has been an active field of research in recent years . In this paper we address the problem of learning transitive graphs that describe entailment rules between predicates ( termed entailment graphs ) . We first identify that entailmen...
Current inefficient algorithms aim to obtain entailment rules for semantic inference hindering the use of large resources.
challenge
aspect_first
From the following paper excerpt, summarize the key problem or challenge the authors aim to address. Return only the summary in one sentence. --- Document: Learning entailment rules is fundamental in many semantic-inference applications and has been an active field of research in recent years . In this paper we addres...
sobamchan/aclsum
0
full_paper
D13-1158
Recent studies on extractive text summarization formulate it as a combinatorial optimization problem such as a Knapsack Problem , a Maximum Coverage Problem or a Budgeted Median Problem . These methods successfully improved summarization quality , but they did not consider the rhetorical relations between the textual u...
The proposed method achieves the highest ROUGE-1,2 scores on 30 documents selected from the RST Discourse Treebank Corpus.
outcome
coverage_first
Summarize the results. --- Document: Recent studies on extractive text summarization formulate it as a combinatorial optimization problem such as a Knapsack Problem , a Maximum Coverage Problem or a Budgeted Median Problem . These methods successfully improved summarization quality , but they did not consider the rhet...
sobamchan/aclsum
0
full_paper
2020.acl-main.47
We examine a methodology using neural language models ( LMs ) for analyzing the word order of language . This LM-based method has the potential to overcome the difficulties existing methods face , such as the propagation of preprocessor errors in count-based methods . In this study , we explore whether the LMbased meth...
They show that language models have sufficient word order knowledge in Japanese to be used as a tool for linguists.
outcome
coverage_first
Summarize the results. --- Document: We examine a methodology using neural language models ( LMs ) for analyzing the word order of language . This LM-based method has the potential to overcome the difficulties existing methods face , such as the propagation of preprocessor errors in count-based methods . In this study...
sobamchan/aclsum
0
full_paper
P16-1177
We present a pairwise context-sensitive Autoencoder for computing text pair similarity . Our model encodes input text into context-sensitive representations and uses them to compute similarity between text pairs . Our model outperforms the state-of-the-art models in two semantic retrieval tasks and a contextual word si...
They propose a pairwise context-sensitive Autoencoder which integrates sentential or document context for computing text pair similarity.
approach
aspect_first
How do the authors address the problem? Provide a brief summary of their approach. Return only the summary in one sentence. --- Document: We present a pairwise context-sensitive Autoencoder for computing text pair similarity . Our model encodes input text into context-sensitive representations and uses them to compute...
sobamchan/aclsum
1
full_paper
2020.acl-main.573
Continual relation learning aims to continually train a model on new data to learn incessantly emerging novel relations while avoiding catastrophically forgetting old relations . Some pioneering work has proved that storing a handful of historical relation examples in episodic memory and replaying them in subsequent tr...
The proposed method mitigates catastrophic forgetting of old relations and achieves state-of-the-art on several relation extraction datasets showing it can use memorized examples.
outcome
coverage_first
Summarize the results. --- Document: Continual relation learning aims to continually train a model on new data to learn incessantly emerging novel relations while avoiding catastrophically forgetting old relations . Some pioneering work has proved that storing a handful of historical relation examples in episodic memo...
sobamchan/aclsum
0
full_paper
D08-1050
Most state-of-the-art wide-coverage parsers are trained on newspaper text and suffer a loss of accuracy in other domains , making parser adaptation a pressing issue . In this paper we demonstrate that a CCG parser can be adapted to two new domains , biomedical text and questions for a QA system , by using manually-anno...
Most existing parsers are tuned for newspaper texts making them limited in applicable domains.
challenge
coverage_first
What issue is this paper about? --- Document: Most state-of-the-art wide-coverage parsers are trained on newspaper text and suffer a loss of accuracy in other domains , making parser adaptation a pressing issue . In this paper we demonstrate that a CCG parser can be adapted to two new domains , biomedical text and que...
sobamchan/aclsum
0
full_paper
P03-1015
The paper describes two parsing schemes : a shallow approach based on machine learning and a cascaded finite-state parser with a hand-crafted grammar . It discusses several ways to combine them and presents evaluation results for the two individual approaches and their combination . An underspecification scheme for the...
Combining different methods often achieves the best results especially combinations of shallow and deep can realize both interpretability and good results.
challenge
coverage_first
What issue is this paper about? --- Document: The paper describes two parsing schemes : a shallow approach based on machine learning and a cascaded finite-state parser with a hand-crafted grammar . It discusses several ways to combine them and presents evaluation results for the two individual approaches and their com...
sobamchan/aclsum
0
full_paper
2020.emnlp-main.308
Solving algebraic word problems has recently emerged as an important natural language processing task . To solve algebraic word problems , recent studies suggested neural models that generate solution equations by using ' Op ( operator / operand ) ' tokens as a unit of input / output . However , such a neural model suf...
Neural models largely underperform hand-crafted feature-based models on algebraic word datasets such as ALG514 because of two issues namely expression fragmentation and operand-context separation.
challenge
aspect_first
Extract a short summary of the core issue that the paper targets. Return only the summary in one sentence. --- Document: Solving algebraic word problems has recently emerged as an important natural language processing task . To solve algebraic word problems , recent studies suggested neural models that generate soluti...
sobamchan/aclsum
2
full_paper
E17-1110
The growing demand for structured knowledge has led to great interest in relation extraction , especially in cases with limited supervision . However , existing distance supervision approaches only extract relations expressed in single sentences . In general , cross-sentence relation extraction is under-explored , even...
Existing distance supervision methods for relation extraction cannot capture relations crossing the sentence boundary which is important in specialized domains with long-tail knowledge.
challenge
coverage_first
What issue is this paper about? --- Document: The growing demand for structured knowledge has led to great interest in relation extraction , especially in cases with limited supervision . However , existing distance supervision approaches only extract relations expressed in single sentences . In general , cross-senten...
sobamchan/aclsum
0
full_paper
D15-1054
Sponsored search is at the center of a multibillion dollar market established by search technology . Accurate ad click prediction is a key component for this market to function since the pricing mechanism heavily relies on the estimation of click probabilities . Lexical features derived from the text of both the query ...
Conventional word embeddings with a simple integration of click feedback information and averaging to obtain sentence representations do not work well for ad click prediction.
challenge
aspect_first
From the following paper excerpt, summarize the key problem or challenge the authors aim to address. Return only the summary in one sentence. --- Document: Sponsored search is at the center of a multibillion dollar market established by search technology . Accurate ad click prediction is a key component for this marke...
sobamchan/aclsum
0
full_paper
2021.naacl-main.458
Non-autoregressive Transformer is a promising text generation model . However , current non-autoregressive models still fall behind their autoregressive counterparts in translation quality . We attribute this accuracy gap to the lack of dependency modeling among decoder inputs . In this paper , we propose CNAT , which ...
They propose a non-autoregressive transformer-based model which implicitly learns categorical codes as latent variables into the decoding to complement missing dependencies.
approach
aspect_first
How do the authors address the problem? Provide a brief summary of their approach. Return only the summary in one sentence. --- Document: Non-autoregressive Transformer is a promising text generation model . However , current non-autoregressive models still fall behind their autoregressive counterparts in translation ...
sobamchan/aclsum
1
full_paper
D15-1054
Sponsored search is at the center of a multibillion dollar market established by search technology . Accurate ad click prediction is a key component for this market to function since the pricing mechanism heavily relies on the estimation of click probabilities . Lexical features derived from the text of both the query ...
They propose several joint word embedding methods to leverage positive and negative click feedback which put query vectors close to relevant ad vectors.
approach
aspect_first
How do the authors address the problem? Provide a brief summary of their approach. Return only the summary in one sentence. --- Document: Sponsored search is at the center of a multibillion dollar market established by search technology . Accurate ad click prediction is a key component for this market to function sinc...
sobamchan/aclsum
1
full_paper
2020.aacl-main.88
Large pre-trained language models reach stateof-the-art results on many different NLP tasks when fine-tuned individually ; They also come with a significant memory and computational requirements , calling for methods to reduce model sizes ( green AI ) . We propose a twostage model-compression method to reduce a model '...
They propose a model-compression method which decompresses the matrix and performs feature distillation on the internal representations to recover from the decomposition.
approach
aspect_first
How do the authors address the problem? Provide a brief summary of their approach. Return only the summary in one sentence. --- Document: Large pre-trained language models reach stateof-the-art results on many different NLP tasks when fine-tuned individually ; They also come with a significant memory and computational...
sobamchan/aclsum
1
full_paper
2021.acl-long.67
Bilingual lexicons map words in one language to their translations in another , and are typically induced by learning linear projections to align monolingual word embedding spaces . In this paper , we show it is possible to produce much higher quality lexicons with methods that combine ( 1 ) unsupervised bitext mining ...
Existing methods to induce bilingual lexicons use linear projections to align word embeddings that are based on unrealistic simplifying assumptions.
challenge
aspect_first
What is the main research challenge motivating this study? Provide a concise summary. Return only the summary in one sentence. --- Document: Bilingual lexicons map words in one language to their translations in another , and are typically induced by learning linear projections to align monolingual word embedding space...
sobamchan/aclsum
1
full_paper
E17-1060
We investigate the generation of onesentence Wikipedia biographies from facts derived from Wikidata slot-value pairs . We train a recurrent neural network sequence-to-sequence model with attention to select facts and generate textual summaries . Our model incorporates a novel secondary objective that helps ensure it ge...
They propose a recurrent neural network sequence-to-sequence model with an attention mechanism trained on a multi-task autoencoding objective to generate one-sentence Wikipedia biographies from Wikidata.
approach
aspect_first
How do the authors address the problem? Provide a brief summary of their approach. Return only the summary in one sentence. --- Document: We investigate the generation of onesentence Wikipedia biographies from facts derived from Wikidata slot-value pairs . We train a recurrent neural network sequence-to-sequence model...
sobamchan/aclsum
1
full_paper
D18-1065
In this paper we show that a simple beam approximation of the joint distribution between attention and output is an easy , accurate , and efficient attention mechanism for sequence to sequence learning . The method combines the advantage of sharp focus in hard attention and the implementation ease of soft attention . O...
The proposed approach outperforms soft attention models and recent hard attention and Sparsemax models on five translation tasks and also on morphological inflection tasks.
outcome
aspect_first
What are the primary outcomes of the study? Give a concise overview. Return only the summary in one sentence. --- Document: In this paper we show that a simple beam approximation of the joint distribution between attention and output is an easy , accurate , and efficient attention mechanism for sequence to sequence le...
sobamchan/aclsum
1
full_paper
2020.emnlp-main.505
News headline generation aims to produce a short sentence to attract readers to read the news . One news article often contains multiple keyphrases that are of interest to different users , which can naturally have multiple reasonable headlines . However , most existing methods focus on the single headline generation ....
Existing news headline generation models only focus on generating one output even though news articles often have multiple points.
challenge
coverage_first
What issue is this paper about? --- Document: News headline generation aims to produce a short sentence to attract readers to read the news . One news article often contains multiple keyphrases that are of interest to different users , which can naturally have multiple reasonable headlines . However , most existing me...
sobamchan/aclsum
0
full_paper
P16-1177
We present a pairwise context-sensitive Autoencoder for computing text pair similarity . Our model encodes input text into context-sensitive representations and uses them to compute similarity between text pairs . Our model outperforms the state-of-the-art models in two semantic retrieval tasks and a contextual word si...
Existing approaches for textual representation learning only use local information without contexts which capture global information that can guide neural networks in generating accurate representations.
challenge
coverage_first
Give the problem in short form. --- Document: We present a pairwise context-sensitive Autoencoder for computing text pair similarity . Our model encodes input text into context-sensitive representations and uses them to compute similarity between text pairs . Our model outperforms the state-of-the-art models in two se...
sobamchan/aclsum
1
full_paper
2020.emnlp-main.500
Adversarial attacks for discrete data ( such as texts ) have been proved significantly more challenging than continuous data ( such as images ) since it is difficult to generate adversarial samples with gradient-based methods . Current successful attack methods for texts usually adopt heuristic replacement strategies o...
The proposed method outperforms state-of-the-art methods in success rate and perturb percentage while preserving fluency and sematic of generated samples with low cost.
outcome
coverage_first
Describe the conclusions briefly. --- Document: Adversarial attacks for discrete data ( such as texts ) have been proved significantly more challenging than continuous data ( such as images ) since it is difficult to generate adversarial samples with gradient-based methods . Current successful attack methods for texts...
sobamchan/aclsum
2
full_paper
D19-1098
Pre-training Transformer from large-scale raw texts and fine-tuning on the desired task have achieved state-of-the-art results on diverse NLP tasks . However , it is unclear what the learned attention captures . The attention computed by attention heads seems not to match human intuitions about hierarchical structures ...
They propose to add an extra constraint to attention heads of the bidirectional Transformer encoder and a module induces tree structures from raw texts.
approach
coverage_first
Give the approach described. --- Document: Pre-training Transformer from large-scale raw texts and fine-tuning on the desired task have achieved state-of-the-art results on diverse NLP tasks . However , it is unclear what the learned attention captures . The attention computed by attention heads seems not to match hum...
sobamchan/aclsum
1
full_paper
D12-1011
Existing techniques for disambiguating named entities in text mostly focus on Wikipedia as a target catalog of entities . Yet for many types of entities , such as restaurants and cult movies , relational databases exist that contain far more extensive information than Wikipedia . This paper introduces a new task , call...
They propose a task where systems need to reference arbitrary databases for finding named entities not only Wikipedia, together with methods to achieve domain adaptation.
approach
aspect_first
Outline the methodology used by the authors to solve the stated challenge. Return only the summary in one sentence. --- Document: Existing techniques for disambiguating named entities in text mostly focus on Wikipedia as a target catalog of entities . Yet for many types of entities , such as restaurants and cult movie...
sobamchan/aclsum
2
full_paper
N16-1103
Universal schema builds a knowledge base ( KB ) of entities and relations by jointly embedding all relation types from input KBs as well as textual patterns observed in raw text . In most previous applications of universal schema , each textual pattern is represented as a single embedding , preventing generalization to...
Existing approaches to incorporate universal schemas for automatic knowledge base construction has limitation in generalization to unseen inputs from training time.
challenge
coverage_first
What issue is this paper about? --- Document: Universal schema builds a knowledge base ( KB ) of entities and relations by jointly embedding all relation types from input KBs as well as textual patterns observed in raw text . In most previous applications of universal schema , each textual pattern is represented as a ...
sobamchan/aclsum
0
full_paper
P14-1064
Statistical phrase-based translation learns translation rules from bilingual corpora , and has traditionally only used monolingual evidence to construct features that rescore existing translation candidates . In this work , we present a semi-supervised graph-based approach for generating new translation rules that leve...
Their method significantly improves over existing phrase-based methods on Arabic-English and Urdu-English systems when large language models are used.
outcome
aspect_first
Extract a short summary of the paperโ€™s results and conclusions. Return only the summary in one sentence. --- Document: Statistical phrase-based translation learns translation rules from bilingual corpora , and has traditionally only used monolingual evidence to construct features that rescore existing translation cand...
sobamchan/aclsum
2
full_paper
2022.acl-long.304
Contrastive learning has achieved impressive success in generation tasks to militate the " exposure bias " problem and discriminatively exploit the different quality of references . Existing works mostly focus on contrastive learning on the instance-level without discriminating the contribution of each word , while key...
They propose a CVAE-based hierarchical contrastive learning within instance and keyword-level using a keyword graph which iteratively polishes the keyword representations.
approach
coverage_first
Summarize the method. --- Document: Contrastive learning has achieved impressive success in generation tasks to militate the " exposure bias " problem and discriminatively exploit the different quality of references . Existing works mostly focus on contrastive learning on the instance-level without discriminating the ...
sobamchan/aclsum
0
full_paper
2021.acl-long.67
Bilingual lexicons map words in one language to their translations in another , and are typically induced by learning linear projections to align monolingual word embedding spaces . In this paper , we show it is possible to produce much higher quality lexicons with methods that combine ( 1 ) unsupervised bitext mining ...
The proposed method achieves the state-of-the-art in the bilingual lexical induction task while keeping the interpretability of their pipeline.
outcome
coverage_first
Summarize the results. --- Document: Bilingual lexicons map words in one language to their translations in another , and are typically induced by learning linear projections to align monolingual word embedding spaces . In this paper , we show it is possible to produce much higher quality lexicons with methods that com...
sobamchan/aclsum
0
full_paper
D10-1083
Part-of-speech ( POS ) tag distributions are known to exhibit sparsity -a word is likely to take a single predominant tag in a corpus . Recent research has demonstrated that incorporating this sparsity constraint improves tagging accuracy . However , in existing systems , this expansion come with a steep increase in mo...
Assuming there is only one tag for a word is a powerful heuristic for Part-of-speech tagging but incorporating this into a model leads to complexity.
challenge
coverage_first
Give the problem in short form. --- Document: Part-of-speech ( POS ) tag distributions are known to exhibit sparsity -a word is likely to take a single predominant tag in a corpus . Recent research has demonstrated that incorporating this sparsity constraint improves tagging accuracy . However , in existing systems , ...
sobamchan/aclsum
1
full_paper
E06-1014
Probabilistic Latent Semantic Analysis ( PLSA ) models have been shown to provide a better model for capturing polysemy and synonymy than Latent Semantic Analysis ( LSA ) . However , the parameters of a PLSA model are trained using the Expectation Maximization ( EM ) algorithm , and as a result , the trained model is d...
EM algorithm-baed Probabilistic latent semantic analysis models provide high variance in performance and models with different initializations are not comparable.
challenge
aspect_first
From the following paper excerpt, summarize the key problem or challenge the authors aim to address. Return only the summary in one sentence. --- Document: Probabilistic Latent Semantic Analysis ( PLSA ) models have been shown to provide a better model for capturing polysemy and synonymy than Latent Semantic Analysis ...
sobamchan/aclsum
0
full_paper
P07-1026
Convolution tree kernel has shown promising results in semantic role classification . However , it only carries out hard matching , which may lead to over-fitting and less accurate similarity measure . To remove the constraint , this paper proposes a grammardriven convolution tree kernel for semantic role classificatio...
They propose to integrate a linguistically motivated grammar-baed convolution tree kernel into a standard tree kernel to achieve better substructure matching and tree node matching.
approach
coverage_first
Summarize the method. --- Document: Convolution tree kernel has shown promising results in semantic role classification . However , it only carries out hard matching , which may lead to over-fitting and less accurate similarity measure . To remove the constraint , this paper proposes a grammardriven convolution tree k...
sobamchan/aclsum
0
full_paper
D07-1036
Parallel corpus is an indispensable resource for translation model training in statistical machine translation ( SMT ) . Instead of collecting more and more parallel training corpora , this paper aims to improve SMT performance by exploiting full potential of the existing parallel corpora . Two kinds of methods are pro...
Statistical machine translation systems require corpora limited in domain and size, and a model trained on one domain does not perform well on other domains.
challenge
aspect_first
From the following paper excerpt, summarize the key problem or challenge the authors aim to address. Return only the summary in one sentence. --- Document: Parallel corpus is an indispensable resource for translation model training in statistical machine translation ( SMT ) . Instead of collecting more and more parall...
sobamchan/aclsum
0
full_paper
E17-1022
We propose UDP , the first training-free parser for Universal Dependencies ( UD ) . Our algorithm is based on PageRank and a small set of head attachment rules . It features two-step decoding to guarantee that function words are attached as leaf nodes . The parser requires no training , and it is competitive with a del...
The proposed linguistically sound method performs competitively with a delexicalized transfer system while having few parameters and robustness to domain changes across languages.
outcome
coverage_first
Summarize the results. --- Document: We propose UDP , the first training-free parser for Universal Dependencies ( UD ) . Our algorithm is based on PageRank and a small set of head attachment rules . It features two-step decoding to guarantee that function words are attached as leaf nodes . The parser requires no train...
sobamchan/aclsum
0
full_paper
N09-1072
Automatically extracting social meaning and intention from spoken dialogue is an important task for dialogue systems and social computing . We describe a system for detecting elements of interactional style : whether a speaker is awkward , friendly , or flirtatious . We create and use a new spoken corpus of 991 4-minut...
Methods to extract social meanings such as engagement from speech remain unknown while it is important in sociolinguistics and to develop socially aware computing systems.
challenge
aspect_first
What is the main research challenge motivating this study? Provide a concise summary. Return only the summary in one sentence. --- Document: Automatically extracting social meaning and intention from spoken dialogue is an important task for dialogue systems and social computing . We describe a system for detecting ele...
sobamchan/aclsum
1
full_paper
D09-1065
demonstrated that corpus-extracted models of semantic knowledge can predict neural activation patterns recorded using fMRI . This could be a very powerful technique for evaluating conceptual models extracted from corpora ; however , fMRI is expensive and imposes strong constraints on data collection . Following on expe...
The expensive cost of using fMRI hinders studies on the relationship between corpus-extracted models of semantic knowledge and neural activation patterns.
challenge
aspect_first
Extract a short summary of the core issue that the paper targets. Return only the summary in one sentence. --- Document: demonstrated that corpus-extracted models of semantic knowledge can predict neural activation patterns recorded using fMRI . This could be a very powerful technique for evaluating conceptual models ...
sobamchan/aclsum
2
full_paper
P98-1081
In this paper we examine how the differences in modelling between different data driven systems performing the same NLP task can be exploited to yield a higher accuracy than the best individual system . We do this by means of an experiment involving the task of morpho-syntactic wordclass tagging . Four well-known tagge...
They propose to combine four different modelling methods for the task of morpho-syntactic wordclass tagging by using several voting strategies and second stage classifiers.
approach
aspect_first
Outline the methodology used by the authors to solve the stated challenge. Return only the summary in one sentence. --- Document: In this paper we examine how the differences in modelling between different data driven systems performing the same NLP task can be exploited to yield a higher accuracy than the best indivi...
sobamchan/aclsum
2
full_paper
D09-1030
Manual evaluation of translation quality is generally thought to be excessively time consuming and expensive . We explore a fast and inexpensive way of doing it using Amazon 's Mechanical Turk to pay small sums to a large number of non-expert annotators . For $ 10 we redundantly recreate judgments from a WMT08 translat...
Because of the high cost required for manual evaluation, most works rely on automatic evaluation metrics although there are several drawbacks.
challenge
aspect_first
From the following paper excerpt, summarize the key problem or challenge the authors aim to address. Return only the summary in one sentence. --- Document: Manual evaluation of translation quality is generally thought to be excessively time consuming and expensive . We explore a fast and inexpensive way of doing it us...
sobamchan/aclsum
0
full_paper
2020.emnlp-main.500
Adversarial attacks for discrete data ( such as texts ) have been proved significantly more challenging than continuous data ( such as images ) since it is difficult to generate adversarial samples with gradient-based methods . Current successful attack methods for texts usually adopt heuristic replacement strategies o...
The proposed method outperforms state-of-the-art methods in success rate and perturb percentage while preserving fluency and sematic of generated samples with low cost.
outcome
aspect_first
Summarize the main results or outcomes reported by the authors. Return only the summary in one sentence. --- Document: Adversarial attacks for discrete data ( such as texts ) have been proved significantly more challenging than continuous data ( such as images ) since it is difficult to generate adversarial samples wi...
sobamchan/aclsum
0
full_paper