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https://en.wikipedia.org/wiki/Natural-language_user_interface#0 | Natural-language user interface
Natural-language user interface (LUI or NLUI) is a type of computer human interface where linguistic phenomena such as verbs, phrases and clauses act as UI controls for creating, selecting and modifying data in software applications.
In interface design, natural-language interfaces are s... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#1 | Natural-language interfaces are an active area of study in the field of natural-language processing and computational linguistics. An intuitive general natural-language interface is one of the active goals of the Semantic Web.
Text interfaces are "natural" to varying degrees. Many formal (un-natural) programming langua... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#2 | natural-language user interface.
Overview
[edit]A natural-language search engine would in theory find targeted answers to user questions (as opposed to keyword search). For example, when confronted with a question of the form 'which U.S. state has the highest income tax?', conventional search engines ignore the questio... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#3 | ural-language processing to understand the nature of the question and then to search and return a subset of the web that contains the answer to the question. If it works, results would have a higher relevance than results from a keyword search engine, due to the question being included.[citation needed]
History
[edit]P... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#4 | t manipulates blocks in a virtual "blocks world"
- Lunar, a natural-language interface to a database containing chemical analyses of Apollo 11 Moon rocks by William A. Woods.
- Chat-80 transformed English questions into Prolog expressions, which were evaluated against the Prolog database. The code of Chat-80 was circul... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#5 | - ELIZA, written at MIT by Joseph Weizenbaum between 1964 and 1966, mimicked a psychotherapist and was operated by processing users' responses to scripts. Using almost no information about human thought or emotion, the DOCTOR script sometimes provided a startlingly human-like interaction. An online demo is available on... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#6 | merger of AICorp and Aion).
- BBN’s Parlance built on experience from the development of the Rus and Irus systems.
- IBM Languageaccess
- Q&A from Symantec.
- Datatalker from Natural Language Inc.
- Loqui from BIM Systems.
- English Wizard from Linguistic Technology Corporation.
Challenges
[edit]Natural-language interf... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#7 | warranted. On the part of the user, this has led to unrealistic expectations of the capabilities of the system. Such expectations will make it difficult to learn the restrictions of the system if users attribute too much capability to it, and will ultimately lead to disappointment when the system fails to perform as ex... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#8 | ntroduction', describes some challenges:[2]
- Modifier attachment
- The request "List all employees in the company with a driving licence" is ambiguous unless you know that companies can't have driving licences.
- Conjunction and disjunction
- "List all applicants who live in California and Arizona" is ambiguous unless... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#9 | , in a self-referential query.
Other goals to consider more generally are the speed and efficiency of the interface, in all algorithms these two points are the main point that will determine if some methods are better than others and therefore have greater success in the market. In addition, localisation across multipl... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#10 | en most languages.
Finally, regarding the methods used, the main problem to be solved is creating a general algorithm that can recognize the entire spectrum of different voices, while disregarding nationality, gender or age. The significant differences between the extracted features - even from speakers who says the sa... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#11 | logy used for many different applications.
Some of the main uses are:
- Dictation, is the most common use for automated speech recognition (ASR) systems today. This includes medical transcriptions, legal and business dictation, and general word processing. In some cases special vocabularies are used to increase the acc... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#12 | ed as command and control systems. Utterances like "Open Netscape" and "Start a new xterm" will do just that.
- Telephony, some PBX/Voice Mail systems allow callers to speak commands instead of pressing buttons to send specific tones.
- Wearables, because inputs are limited for wearable devices, speaking is a natural p... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#13 | ries (RSI), muscular dystrophy, and many others. For example, people with difficulty hearing could use a system connected to their telephone to convert a caller's speech to text.
- Embedded applications, some new cellular phones include C&C speech recognition that allow utterances such as "call home". This may be a maj... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#14 | atural-language recognition, and so have integrated utilities listed above.
Ubiquity
[edit]Ubiquity, an add-on for Mozilla Firefox, is a collection of quick and easy natural-language-derived commands that act as mashups of web services, thus allowing users to get information and relate it to current and other webpages.... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#15 | red data, rather than providing a list of documents or web pages that might contain the answer as a search engine would.[5] It was announced in March 2009 by Stephen Wolfram, and was released to the public on May 15, 2009.[6]
Siri
[edit]Siri is an intelligent personal assistant application integrated with operating sys... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#16 | clude that it adapts to a user's individual preferences over time and personalizes results, and performs tasks such as making dinner reservations while trying to catch a cab.[7]
Others
[edit]- Ask.com – The original idea behind Ask Jeeves (Ask.com) was traditional keyword searching with an ability to get answers to que... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#17 | conversion questions.
- Braina[8] – Braina is a natural language interface for Windows OS that allows to type or speak English language sentences to perform a certain action or find information.
- GNOME Do – Allows for quick finding miscellaneous artifacts of GNOME environment (applications, Evolution and Pidgin contac... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#18 | play, etc.).[9]
- hakia – hakia was an Internet search engine. The company invented an alternative new infrastructure to indexing that used SemanticRank algorithm, a solution mix from the disciplines of ontological semantics, fuzzy logic, computational linguistics, and mathematics. hakia closed in 2014.
- Lexxe – Lexxe... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#19 | ywords, phrases, and questions, such as "How old is Wikipedia?" Lexxe closed its search engine services in 2015.
- Pikimal – Pikimal used natural-language tied to user preference to make search recommendations by template. Pikimal closed in 2015.
- Powerset – On May 11, 2008, the company unveiled a tool for searching a... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#20 | 11]
- Q-go – The Q-go technology provides relevant answers to users in response to queries on a company’s internet website or corporate intranet, formulated in natural sentences or keyword input alike. Q-go was acquired by RightNow Technologies in 2011.
- Yebol – Yebol was a vertical "decision" search engine that had d... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#21 | tically clustered and categorized search results, web sites, pages and content that it presented in a visually indexed format that is more aligned with initial human intent. Yebol used association, ranking and clustering algorithms to analyze related keywords or web pages. Yebol integrated natural-language processing, ... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#22 | tory that actually 'learns', using correlation, clustering and classification algorithms to automatically generate the knowledge query, which was retained and regenerated forward.[12]
See also
[edit]- Conversational user interface
- Natural user interface
- Natural-language programming
- Voice user interface
- Chatbot,... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#23 | h
- Semantic query
- Semantic Web
References
[edit]- ^ Hill, I. (1983). "Natural language versus computer language." In M. Sime and M. Coombs (Eds.) Designing for Human-Computer Communication. Academic Press.
- ^ a b Natural Language Interfaces to Databases – An Introduction, I. Androutsopoulos, G.D. Ritchie, P. Thanis... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#24 | 016. Retrieved 29 January 2018.
- ^ "ELIZA demo". Archived from the original on 26 November 2016. Retrieved 29 January 2018.
- ^ Johnson, Bobbie (2009-03-09). "British search engine 'could rival Google'". The Guardian. Retrieved 2009-03-09.
- ^ "So Much for A Quiet Launch". Wolfram Alpha Blog. 2009-05-08. Retrieved 200... |
https://en.wikipedia.org/wiki/Natural-language_user_interface#25 | nasoft.com. Retrieved 29 January 2018.
- ^ Ubuntu 10.04 Add/Remove Applications description for GNOME Do
- ^ Helft, Miguel (May 12, 2008). "Powerset Debuts With Search of Wikipedia". The New York Times.
- ^ Johnson, Mark (July 1, 2008). "Microsoft to Acquire Powerset". Powerset Blog. Archived from the original on Febru... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#0 | BERT (language model)
Bidirectional encoder representations from transformers (BERT) is a language model introduced in October 2018 by researchers at Google.[1][2] It learns to represent text as a sequence of vectors using self-supervised learning. It uses the encoder-only transformer architecture. BERT dramatically im... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#1 | ssing (NLP) experiments.[3]
BERT is trained by masked token prediction and next sentence prediction. As a result of this training process, BERT learns contextual, latent representations of tokens in their context, similar to ELMo and GPT-2.[4] It found applications for many natural language processing tasks, such as co... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#2 | attempts to interpret what is learned by BERT.[3]
BERT was originally implemented in the English language at two model sizes, BERTBASE (110 million parameters) and BERTLARGE (340 million parameters). Both were trained on the Toronto BookCorpus[6] (800M words) and English Wikipedia (2,500M words).[1]: 5 The weights were... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#3 | eters.[7]
Architecture
[edit]BERT is an "encoder-only" transformer architecture. At a high level, BERT consists of 4 modules:
- Tokenizer: This module converts a piece of English text into a sequence of integers ("tokens").
- Embedding: This module converts the sequence of tokens into an array of real-valued vectors re... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#4 | stack of Transformer blocks with self-attention, but without causal masking.
- Task head: This module converts the final representation vectors into one-hot encoded tokens again by producing a predicted probability distribution over the token types. It can be viewed as a simple decoder, decoding the latent representati... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#5 | so-called "downstream tasks," such as question answering or sentiment classification. Instead, one removes the task head and replaces it with a newly initialized module suited for the task, and finetune the new module. The latent vector representation of the model is directly fed into this new module, allowing for samp... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#6 | RGE, is similar, just larger.
The tokenizer of BERT is WordPiece, which is a sub-word strategy like byte pair encoding. Its vocabulary size is 30,000, and any token not appearing in its vocabulary is replaced by [UNK]
("unknown").
The first layer is the embedding layer, which contains three components: token type embed... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#7 | one-hot vector into a dense vector based on its token type.
- Position: The position embeddings are based on a token's position in the sequence. BERT uses absolute position embeddings, where each position in sequence is mapped to a real-valued vector. Each dimension of the vector consists of a sinusoidal function that ... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#8 | ense vector based on whether the token belongs to the first or second text segment in that input. In other words, type-1 tokens are all tokens that appear after the
[SEP]
special token. All prior tokens are type-0.
The three embedding vectors are added together representing the initial token representation as a functio... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#9 | utting a 768-dimensional vector for each input token. After this, the representation vectors are passed forward through 12 Transformer encoder blocks, and are decoded back to 30,000-dimensional vocabulary space using a basic affine transformation layer.
Architectural family
[edit]The encoder stack of BERT has 2 free pa... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#10 | s always . By varying these two numbers, one obtains an entire family of BERT models.[9]
For BERT
- the feed-forward size and filter size are synonymous. Both of them denote the number of dimensions in the middle layer of the feed-forward network.
- the hidden size and embedding size are synonymous. Both of them denote... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#11 | written as 12L/768H, BERTLARGE as 24L/1024H, and BERTTINY as 2L/128H.
Training
[edit]Pre-training
[edit]BERT was pre-trained simultaneously on two tasks.[10]
- Masked Language Model (MLM): In this task, BERT ingests a sequence of words, where one words may be randomly changed ("masked"), and BERT tries to predict the o... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#12 | This helps BERT learn bidirectional context, meaning it understands the relationships between words not just from left to right or right to left but from both directions at the same time.
- Next Sentence Prediction (NSP): In this task, BERT is trained to predict whether one sentence logically follows another. For examp... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#13 | continuation of the first one. This helps BERT understand relationships between sentences, which is important for tasks like question answering or document classification.
Masked language modeling
[edit]In masked language modeling, 15% of tokens would be randomly selected for masked-prediction task, and the training ob... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#14 | th probability 80%, - replaced with a random word token with probability 10%,
- not replaced with probability 10%.
The reason not all selected tokens are masked is to avoid the dataset shift problem. The dataset shift problem arises when the distribution of inputs seen during training differs significantly from the dis... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#15 | ld be run over sentences not containing any [MASK]
tokens. It is later found that more diverse training objectives are generally better.[11]
As an illustrative example, consider the sentence "my dog is cute". It would first be divided into tokens like "my1 dog2 is3 cute4". Then a random token in the sentence would be p... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#16 | , resulting in "my1 dog2 is3
[MASK]
4"; - with probability 10%, the chosen token is replaced by a uniformly sampled random token, such as "happy", resulting in "my1 dog2 is3 happy4";
- with probability 10%, nothing is done, resulting in "my1 dog2 is3 cute4".
After processing the input text, the model's 4th output vecto... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#17 | ence prediction
[edit]Given two spans of text, the model predicts if these two spans appeared sequentially in the training corpus, outputting either [IsNext]
or [NotNext]
. Specifically, the training algorithm would sometimes sample two spans from a single continuous span in the training corpus, but other times, sample... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#18 | The two spans are separated by a special token [SEP]
(for "separate"). After processing the two spans, the 1-st output vector (the vector coding for [CLS]
) is passed to a separate neural network for the binary classification into [IsNext]
and [NotNext]
.
- For example, given "
[CLS]
my dog is cute[SEP]
he likes playin... |
https://en.wikipedia.org/wiki/BERT_%28language_model%29#19 | [NotNext]
.
Fine-tuning
[edit]-
Sentiment classification
-
Sentence classification
-
Answering multiple-choice questions
BERT is meant as a general pretrained model for various applications in natural language processing. That is, after pre-training, BERT can be fine-tuned with fewer resources on smaller datasets to op... |
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