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541k
2307.12793
Imperfect CSI: A Key Factor of Uncertainty to Over-the-Air Federated Learning
Over-the-air computation (AirComp) has recently been identified as a prominent technique to enhance communication efficiency of wireless federated learning (FL). This letter investigates the impact of channel state information (CSI) uncertainty at the transmitter on an AirComp enabled FL (AirFL) system with the truncat...
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false
false
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381,382
2501.17273
Tailored Truths: Optimizing LLM Persuasion with Personalization and Fabricated Statistics
Large Language Models (LLMs) are becoming increasingly persuasive, demonstrating the ability to personalize arguments in conversation with humans by leveraging their personal data. This may have serious impacts on the scale and effectiveness of disinformation campaigns. We studied the persuasiveness of LLMs in a debate...
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false
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528,269
2212.10649
Inversion of Bayesian Networks
Variational autoencoders and Helmholtz machines use a recognition network (encoder) to approximate the posterior distribution of a generative model (decoder). In this paper we study the necessary and sufficient properties of a recognition network so that it can model the true posterior distribution exactly. These resul...
false
false
false
false
true
false
true
false
false
false
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false
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false
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false
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337,547
2312.04234
Graph Convolutions Enrich the Self-Attention in Transformers!
Transformers, renowned for their self-attention mechanism, have achieved state-of-the-art performance across various tasks in natural language processing, computer vision, time-series modeling, etc. However, one of the challenges with deep Transformer models is the oversmoothing problem, where representations across la...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
413,606
1601.01121
A pragmatic approach to multi-class classification
We present a novel hierarchical approach to multi-class classification which is generic in that it can be applied to different classification models (e.g., support vector machines, perceptrons), and makes no explicit assumptions about the probabilistic structure of the problem as it is usually done in multi-class class...
false
false
false
false
false
false
true
false
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false
false
false
false
false
false
false
false
50,713
2410.06905
Reliable Probabilistic Human Trajectory Prediction for Autonomous Applications
Autonomous systems, like vehicles or robots, require reliable, accurate, fast, resource-efficient, scalable, and low-latency trajectory predictions to get initial knowledge about future locations and movements of surrounding objects for safe human-machine interaction. Furthermore, they need to know the uncertainty of t...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
496,389
2201.12701
DearFSAC: An Approach to Optimizing Unreliable Federated Learning via Deep Reinforcement Learning
In federated learning (FL), model aggregation has been widely adopted for data privacy. In recent years, assigning different weights to local models has been used to alleviate the FL performance degradation caused by differences between local datasets. However, when various defects make the FL process unreliable, most ...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
277,749
2010.12729
ANLIzing the Adversarial Natural Language Inference Dataset
We perform an in-depth error analysis of Adversarial NLI (ANLI), a recently introduced large-scale human-and-model-in-the-loop natural language inference dataset collected over multiple rounds. We propose a fine-grained annotation scheme of the different aspects of inference that are responsible for the gold classifica...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
202,821
2312.02420
Towards Granularity-adjusted Pixel-level Semantic Annotation
Recent advancements in computer vision predominantly rely on learning-based systems, leveraging annotations as the driving force to develop specialized models. However, annotating pixel-level information, particularly in semantic segmentation, presents a challenging and labor-intensive task, prompting the need for auto...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
412,857
2205.07736
Prioritizing Corners in OoD Detectors via Symbolic String Manipulation
For safety assurance of deep neural networks (DNNs), out-of-distribution (OoD) monitoring techniques are essential as they filter spurious input that is distant from the training dataset. This paper studies the problem of systematically testing OoD monitors to avoid cases where an input data point is tested as in-distr...
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false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
296,694
2311.05146
OW-SLR: Overlapping Windows on Semi-Local Region for Image Super-Resolution
There has been considerable progress in implicit neural representation to upscale an image to any arbitrary resolution. However, existing methods are based on defining a function to predict the Red, Green and Blue (RGB) value from just four specific loci. Relying on just four loci is insufficient as it leads to losing ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
406,491
2111.11517
Columnar Formats for Schemaless LSM-based Document Stores
In the last decade, document store database systems have gained more traction for storing and querying large volumes of semi-structured data. However, the flexibility of the document stores' data models has limited their ability to store data in a columnar-major layout - making them less performant for analytical workl...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
267,688
2104.09703
Bridging between soft and hard thresholding by scaling
In this article, we developed and analyzed a thresholding method in which soft thresholding estimators are independently expanded by empirical scaling values. The scaling values have a common hyper-parameter that is an order of expansion of an ideal scaling value that achieves hard thresholding. We simply call this est...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
231,322
1612.05143
Sampling-based Motion Planning for Active Multirotor System Identification
This paper reports on an algorithm for planning trajectories that allow a multirotor micro aerial vehicle (MAV) to quickly identify a set of unknown parameters. In many problems like self calibration or model parameter identification some states are only observable under a specific motion. These motions are often hard ...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
65,641
1912.10169
A Comparison of Architectures and Pretraining Methods for Contextualized Multilingual Word Embeddings
The lack of annotated data in many languages is a well-known challenge within the field of multilingual natural language processing (NLP). Therefore, many recent studies focus on zero-shot transfer learning and joint training across languages to overcome data scarcity for low-resource languages. In this work we (i) per...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
158,253
2111.15452
On the Generalization of Agricultural Drought Classification from Climate Data
Climate change is expected to increase the likelihood of drought events, with severe implications for food security. Unlike other natural disasters, droughts have a slow onset and depend on various external factors, making drought detection in climate data difficult. In contrast to existing works that rely on simple re...
false
false
false
false
false
false
true
false
false
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false
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false
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268,933
1406.6844
FrameNet Resource Grammar Library for GF
In this paper we present an ongoing research investigating the possibility and potential of integrating frame semantics, particularly FrameNet, in the Grammatical Framework (GF) application grammar development. An important component of GF is its Resource Grammar Library (RGL) that encapsulates the low-level linguistic...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
34,160
2107.07737
EGC2: Enhanced Graph Classification with Easy Graph Compression
Graph classification is crucial in network analyses. Networks face potential security threats, such as adversarial attacks. Some defense methods may trade off the algorithm complexity for robustness, such as adversarial training, whereas others may trade off clean example performance, such as smoothingbased defense. Mo...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
246,512
2009.09335
Biomedical Event Extraction with Hierarchical Knowledge Graphs
Biomedical event extraction is critical in understanding biomolecular interactions described in scientific corpus. One of the main challenges is to identify nested structured events that are associated with non-indicative trigger words. We propose to incorporate domain knowledge from Unified Medical Language System (UM...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
196,544
2401.01801
A quatum inspired neural network for geometric modeling
By conceiving physical systems as 3D many-body point clouds, geometric graph neural networks (GNNs), such as SE(3)/E(3) equivalent GNNs, have showcased promising performance. In particular, their effective message-passing mechanics make them adept at modeling molecules and crystalline materials. However, current geomet...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
419,503
2202.10367
Probabilities of the Third Type: Statistical Relational Learning and Reasoning with Relative Frequencies
Dependencies on the relative frequency of a state in the domain are common when modelling probabilistic dependencies on relational data. For instance, the likelihood of a school closure during an epidemic might depend on the proportion of infected pupils exceeding a threshold. Often, rather than depending on discrete t...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
true
281,504
2004.00163
Weakly-Supervised Action Localization with Expectation-Maximization Multi-Instance Learning
Weakly-supervised action localization requires training a model to localize the action segments in the video given only video level action label. It can be solved under the Multiple Instance Learning (MIL) framework, where a bag (video) contains multiple instances (action segments). Since only the bag's label is known,...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
170,534
2402.08698
AMEND: A Mixture of Experts Framework for Long-tailed Trajectory Prediction
Accurate prediction of pedestrians' future motions is critical for intelligent driving systems. Developing models for this task requires rich datasets containing diverse sets of samples. However, the existing naturalistic trajectory prediction datasets are generally imbalanced in favor of simpler samples and lack chall...
false
false
false
false
false
false
true
true
false
false
false
true
false
false
false
false
false
false
429,199
2405.18663
Lifelong Learning and Selective Forgetting via Contrastive Strategy
Lifelong learning aims to train a model with good performance for new tasks while retaining the capacity of previous tasks. However, some practical scenarios require the system to forget undesirable knowledge due to privacy issues, which is called selective forgetting. The joint task of the two is dubbed Learning with ...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
458,521
2310.15179
Reducing Uncertainty in Sea-level Rise Prediction: A Spatial-variability-aware Approach
Given multi-model ensemble climate projections, the goal is to accurately and reliably predict future sea-level rise while lowering the uncertainty. This problem is important because sea-level rise affects millions of people in coastal communities and beyond due to climate change's impacts on polar ice sheets and the o...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
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false
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402,205
2201.02450
Analytical calculation formulas for capacities of classical and classical-quantum channels
We derive an analytical calculation formula for the channel capacity of a classical channel without any iteration while its existing algorithms require iterations and the number of iteration depends on the required precision level. Hence, our formula is its first analytical formula without any iteration. We apply the o...
false
false
false
false
false
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false
false
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false
false
false
274,548
2406.01917
GOMAA-Geo: GOal Modality Agnostic Active Geo-localization
We consider the task of active geo-localization (AGL) in which an agent uses a sequence of visual cues observed during aerial navigation to find a target specified through multiple possible modalities. This could emulate a UAV involved in a search-and-rescue operation navigating through an area, observing a stream of a...
false
false
false
false
true
false
false
false
false
false
false
true
false
false
false
false
false
false
460,522
2306.14152
Low-Rank Prune-And-Factorize for Language Model Compression
The components underpinning PLMs -- large weight matrices -- were shown to bear considerable redundancy. Matrix factorization, a well-established technique from matrix theory, has been utilized to reduce the number of parameters in PLM. However, it fails to retain satisfactory performance under moderate to high compres...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
375,574
2212.14370
Can 5th Generation Local Training Methods Support Client Sampling? Yes!
The celebrated FedAvg algorithm of McMahan et al. (2017) is based on three components: client sampling (CS), data sampling (DS) and local training (LT). While the first two are reasonably well understood, the third component, whose role is to reduce the number of communication rounds needed to train the model, resisted...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
338,592
2410.21315
GraphLSS: Integrating Lexical, Structural, and Semantic Features for Long Document Extractive Summarization
Heterogeneous graph neural networks have recently gained attention for long document summarization, modeling the extraction as a node classification task. Although effective, these models often require external tools or additional machine learning models to define graph components, producing highly complex and less int...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
503,195
2204.11405
Adaptive cognitive fit: Artificial intelligence augmented management of information facets and representations
Explosive growth in big data technologies and artificial intelligence [AI] applications have led to increasing pervasiveness of information facets and a rapidly growing array of information representations. Information facets, such as equivocality and veracity, can dominate and significantly influence human perceptions...
true
false
false
true
true
false
false
false
false
true
false
false
false
true
false
false
false
false
293,132
2402.13724
Bring Your Own Character: A Holistic Solution for Automatic Facial Animation Generation of Customized Characters
Animating virtual characters has always been a fundamental research problem in virtual reality (VR). Facial animations play a crucial role as they effectively convey emotions and attitudes of virtual humans. However, creating such facial animations can be challenging, as current methods often involve utilization of exp...
true
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
431,385
2310.12563
Approximate information maximization for bandit games
Entropy maximization and free energy minimization are general physical principles for modeling the dynamics of various physical systems. Notable examples include modeling decision-making within the brain using the free-energy principle, optimizing the accuracy-complexity trade-off when accessing hidden variables with t...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
401,072
2405.07072
Selecting focused digital cohorts from social media using the metric backbone of biomedical knowledge graphs
The abundance of social media data allows researchers to construct large digital cohorts to study the interplay between human behavior and medical treatment. Identifying the users most relevant to a specific health problem is, however, a challenge in that social media sites vary in the generality of their discourse. Wh...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
453,572
2402.17151
Clustering Document Parts: Detecting and Characterizing Influence Campaigns from Documents
We propose a novel clustering pipeline to detect and characterize influence campaigns from documents. This approach clusters parts of document, detects clusters that likely reflect an influence campaign, and then identifies documents linked to an influence campaign via their association with the high-influence clusters...
false
false
false
false
false
false
false
false
true
false
false
false
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false
false
false
false
false
432,859
2205.14894
Daisy Bloom Filters
A filter is a widely used data structure for storing an approximation of a given set $S$ of elements from some universe $U$ (a countable set).It represents a superset $S'\supseteq S$ that is ''close to $S$'' in the sense that for $x\not\in S$, the probability that $x\in S'$ is bounded by some $\varepsilon > 0$. The adv...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
true
true
299,531
2103.08095
Towards Robust Speech-to-Text Adversarial Attack
This paper introduces a novel adversarial algorithm for attacking the state-of-the-art speech-to-text systems, namely DeepSpeech, Kaldi, and Lingvo. Our approach is based on developing an extension for the conventional distortion condition of the adversarial optimization formulation using the Cram\`er integral probabil...
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
224,793
2308.15645
AskIt: Unified Programming Interface for Programming with Large Language Models
Large Language Models (LLMs) exhibit a unique phenomenon known as emergent abilities, demonstrating adeptness across numerous tasks, from text summarization to code generation. While these abilities open up novel avenues in software design and crafting, their incorporation presents substantial challenges. Developers fa...
false
false
false
false
true
false
false
false
false
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false
false
false
false
false
false
false
true
388,742
2212.07429
Building Multilingual Corpora for a Complex Named Entity Recognition and Classification Hierarchy using Wikipedia and DBpedia
With the ever-growing popularity of the field of NLP, the demand for datasets in low resourced-languages follows suit. Following a previously established framework, in this paper, we present the UNER dataset, a multilingual and hierarchical parallel corpus annotated for named-entities. We describe in detail the develop...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
336,399
2406.16868
Neural Network-based Two-Dimensional Filtering for OTFS Symbol Detection
Orthogonal time frequency space (OTFS) is a promising modulation scheme for wireless communication in high-mobility scenarios. Recently, a reservoir computing (RC) based approach has been introduced for online subframe-based symbol detection in the OTFS system, where only the limited over-the-air (OTA) pilot symbols ar...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
467,310
2005.10247
Model-Based Robust Deep Learning: Generalizing to Natural, Out-of-Distribution Data
While deep learning has resulted in major breakthroughs in many application domains, the frameworks commonly used in deep learning remain fragile to artificially-crafted and imperceptible changes in the data. In response to this fragility, adversarial training has emerged as a principled approach for enhancing the robu...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
178,130
2012.00402
Use of Remote Sensing Data to Identify Air Pollution Signatures in India
Air quality has major impact on a country's socio-economic position and identifying major air pollution sources is at the heart of tackling the issue. Spatially and temporally distributed air quality data acquisition across a country as varied as India has been a challenge to such analysis. The launch of the Sentinel-5...
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false
false
false
false
false
true
false
false
false
false
false
false
true
false
false
false
false
209,124
2203.10763
Performance-Robustness Tradeoffs in Adversarially Robust Linear-Quadratic Control
While $\mathcal{H}_\infty$ methods can introduce robustness against worst-case perturbations, their nominal performance under conventional stochastic disturbances is often drastically reduced. Though this fundamental tradeoff between nominal performance and robustness is known to exist, it is not well-characterized in ...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
286,674
1503.00694
Consistent Probabilistic Social Choice
Two fundamental axioms in social choice theory are consistency with respect to a variable electorate and consistency with respect to components of similar alternatives. In the context of traditional non-probabilistic social choice, these axioms are incompatible with each other. We show that in the context of probabilis...
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false
false
false
false
false
false
false
false
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false
false
false
true
true
false
false
true
40,736
2101.11376
Learning Abstract Representations through Lossy Compression of Multi-Modal Signals
A key competence for open-ended learning is the formation of increasingly abstract representations useful for driving complex behavior. Abstract representations ignore specific details and facilitate generalization. Here we consider the learning of abstract representations in a multi-modal setting with two or more inpu...
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false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
true
217,256
2303.09152
Learning a Room with the Occ-SDF Hybrid: Signed Distance Function Mingled with Occupancy Aids Scene Representation
Implicit neural rendering, which uses signed distance function (SDF) representation with geometric priors (such as depth or surface normal), has led to impressive progress in the surface reconstruction of large-scale scenes. However, applying this method to reconstruct a room-level scene from images may miss structures...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
351,931
2301.04653
Optirank: classification for RNA-Seq data with optimal ranking reference genes
Classification algorithms using RNA-Sequencing (RNA-Seq) data as input are used in a variety of biological applications. By nature, RNA-Seq data is subject to uncontrolled fluctuations both within and especially across datasets, which presents a major difficulty for a trained classifier to generalize to an external dat...
false
false
false
false
false
false
true
false
false
false
false
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false
false
false
false
false
false
340,134
2106.05249
What Would a Teacher Do? Predicting Future Talk Moves
Recent advances in natural language processing (NLP) have the ability to transform how classroom learning takes place. Combined with the increasing integration of technology in today's classrooms, NLP systems leveraging question answering and dialog processing techniques can serve as private tutors or participants in c...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
240,028
1403.6540
The quest for optimal sampling: Computationally efficient, structure-exploiting measurements for compressed sensing
An intriguing phenomenon in many instances of compressed sensing is that the reconstruction quality is governed not just by the overall sparsity of the signal, but also on its structure. This paper is about understanding this phenomenon, and demonstrating how it can be fruitfully exploited by the design of suitable sam...
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false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
31,826
2208.04112
A review on longitudinal data analysis with random forest in precision medicine
Precision medicine provides customized treatments to patients based on their characteristics and is a promising approach to improving treatment efficiency. Large scale omics data are useful for patient characterization, but often their measurements change over time, leading to longitudinal data. Random forest is one of...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
311,997
2004.04814
Deep learning for synthetic microstructure generation in a materials-by-design framework for heterogeneous energetic materials
The sensitivity of heterogeneous energetic (HE) materials (propellants, explosives, and pyrotechnics) is critically dependent on their microstructure. Initiation of chemical reactions occurs at hot spots due to energy localization at sites of porosities and other defects. Emerging multi-scale predictive models of HE re...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
171,999
2209.08543
A Decoupled and Linear Framework for Global Outlier Rejection over Planar Pose Graph
We propose a robust framework for the planar pose graph optimization contaminated by loop closure outliers. Our framework rejects outliers by first decoupling the robust PGO problem wrapped by a Truncated Least Squares kernel into two subproblems. Then, the framework introduces a linear angle representation to rewrite ...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
318,166
2310.18709
Audio-Visual Instance Segmentation
In this paper, we propose a new multi-modal task, termed audio-visual instance segmentation (AVIS), which aims to simultaneously identify, segment and track individual sounding object instances in audible videos. To facilitate this research, we introduce a high-quality benchmark named AVISeg, containing over 90K instan...
false
false
true
false
false
false
true
false
false
false
false
true
false
false
false
false
false
true
403,666
2211.12422
PiRL: Participant-Invariant Representation Learning for Healthcare
Due to individual heterogeneity, performance gaps are observed between generic (one-size-fits-all) models and person-specific models in data-driven health applications. However, in real-world applications, generic models are usually more favorable due to new-user-adaptation issues and system complexities, etc. To impro...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
332,103
2106.09082
Zeroth-Order Methods for Convex-Concave Minmax Problems: Applications to Decision-Dependent Risk Minimization
Min-max optimization is emerging as a key framework for analyzing problems of robustness to strategically and adversarially generated data. We propose a random reshuffling-based gradient free Optimistic Gradient Descent-Ascent algorithm for solving convex-concave min-max problems with finite sum structure. We prove t...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
241,535
2410.11324
Diffusion-Based Offline RL for Improved Decision-Making in Augmented ARC Task
Effective long-term strategies enable AI systems to navigate complex environments by making sequential decisions over extended horizons. Similarly, reinforcement learning (RL) agents optimize decisions across sequences to maximize rewards, even without immediate feedback. To verify that Latent Diffusion-Constrained Q-l...
false
false
false
false
true
false
true
false
false
false
false
true
false
false
false
false
false
false
498,506
1911.02265
Predictive modeling of brain tumor: A Deep learning approach
Image processing concepts can visualize the different anatomy structure of the human body. Recent advancements in the field of deep learning have made it possible to detect the growth of cancerous tissue just by a patient's brain Magnetic Resonance Imaging (MRI) scans. These methods require very high accuracy and meage...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
152,324
1908.00682
Attention Guided Low-light Image Enhancement with a Large Scale Low-light Simulation Dataset
Low-light image enhancement is challenging in that it needs to consider not only brightness recovery but also complex issues like color distortion and noise, which usually hide in the dark. Simply adjusting the brightness of a low-light image will inevitably amplify those artifacts. To address this difficult problem, t...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
140,562
1712.02449
Quantifying how much sensory information in a neural code is relevant for behavior
Determining how much of the sensory information carried by a neural code contributes to behavioral performance is key to understand sensory function and neural information flow. However, there are as yet no analytical tools to compute this information that lies at the intersection between sensory coding and behavioral ...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
86,296
2306.16146
An optimal hierarchical control scheme for smart generation units: an application to combined steam and electricity generation
Optimal management of thermal and energy grids with fluctuating demand and prices requires to orchestrate the generation units (GU) among all their operating modes. A hierarchical approach is proposed to control coupled energy nonlinear systems. The high level hybrid optimization defines the unit commitment, with the o...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
376,295
1709.06772
Temporal Pattern Mining from Evolving Networks
Recently, evolving networks are becoming a suitable form to model many real-world complex systems, due to their peculiarities to represent the systems and their constituting entities, the interactions between the entities and the time-variability of their structure and properties. Designing computational models able to...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
81,171
1903.05784
Learning Parallax Attention for Stereo Image Super-Resolution
Stereo image pairs can be used to improve the performance of super-resolution (SR) since additional information is provided from a second viewpoint. However, it is challenging to incorporate this information for SR since disparities between stereo images vary significantly. In this paper, we propose a parallax-attentio...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
124,232
2402.07946
Re-Envisioning Command and Control
Future warfare will require Command and Control (C2) decision-making to occur in more complex, fast-paced, ill-structured, and demanding conditions. C2 will be further complicated by operational challenges such as Denied, Degraded, Intermittent, and Limited (DDIL) communications and the need to account for many data st...
true
false
false
false
true
false
true
false
true
false
false
false
false
false
false
false
false
false
428,910
2012.14337
WiFresh: Age-of-Information from Theory to Implementation
Emerging applications, such as smart factories and fleets of drones, increasingly rely on sharing time-sensitive information for monitoring and control. In such application domains, it is essential to keep information fresh, as outdated information loses its value and can lead to system failures and safety risks. The A...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
true
213,482
2302.12980
Frequency Disentangled Learning for Segmentation of Midbrain Structures from Quantitative Susceptibility Mapping Data
One often lacks sufficient annotated samples for training deep segmentation models. This is in particular the case for less common imaging modalities such as Quantitative Susceptibility Mapping (QSM). It has been shown that deep models tend to fit the target function from low to high frequencies. One may hypothesize th...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
347,761
2008.07672
Ensemble Node Embeddings using Tensor Decomposition: A Case-Study on DeepWalk
Node embeddings have been attracting increasing attention during the past years. In this context, we propose a new ensemble node embedding approach, called TenSemble2Vec, by first generating multiple embeddings using the existing techniques and taking them as multiview data input of the state-of-art tensor decompositio...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
192,180
2206.01739
Mutual- and Self- Prototype Alignment for Semi-supervised Medical Image Segmentation
Semi-supervised learning methods have been explored in medical image segmentation tasks due to the scarcity of pixel-level annotation in the real scenario. Proto-type alignment based consistency constraint is an intuitional and plausible solu-tion to explore the useful information in the unlabeled data. In this paper, ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
300,589
2104.06191
Lucas-Kanade Reloaded: End-to-End Super-Resolution from Raw Image Bursts
This presentation addresses the problem of reconstructing a high-resolution image from multiple lower-resolution snapshots captured from slightly different viewpoints in space and time. Key challenges for solving this problem include (i) aligning the input pictures with sub-pixel accuracy, (ii) handling raw (noisy) ima...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
229,991
2111.00653
SADGA: Structure-Aware Dual Graph Aggregation Network for Text-to-SQL
The Text-to-SQL task, aiming to translate the natural language of the questions into SQL queries, has drawn much attention recently. One of the most challenging problems of Text-to-SQL is how to generalize the trained model to the unseen database schemas, also known as the cross-domain Text-to-SQL task. The key lies in...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
264,291
1809.02648
Minimally Constrained Stable Switched Systems and Application to Co-simulation
We propose an algorithm to restrict the switching signals of a constrained switched system in order to guarantee its stability, while at the same time attempting to keep the largest possible set of allowed switching signals. Our work is motivated by applications to (co-)simulation, where numerical stability is a hard c...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
107,092
2411.15435
What Makes a Scene ? Scene Graph-based Evaluation and Feedback for Controllable Generation
While text-to-image generation has been extensively studied, generating images from scene graphs remains relatively underexplored, primarily due to challenges in accurately modeling spatial relationships and object interactions. To fill this gap, we introduce Scene-Bench, a comprehensive benchmark designed to evaluate ...
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false
false
false
false
false
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false
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false
true
false
false
false
false
false
false
510,609
2110.03252
Layer-wise Pruning of Transformer Attention Heads for Efficient Language Modeling
While Transformer-based models have shown impressive language modeling performance, the large computation cost is often prohibitive for practical use. Attention head pruning, which removes unnecessary attention heads in the multihead attention, is a promising technique to solve this problem. However, it does not evenly...
false
false
false
false
false
false
false
false
true
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false
false
false
false
false
false
false
false
259,425
1707.00117
SAM: Semantic Attribute Modulation for Language Modeling and Style Variation
This paper presents a Semantic Attribute Modulation (SAM) for language modeling and style variation. The semantic attribute modulation includes various document attributes, such as titles, authors, and document categories. We consider two types of attributes, (title attributes and category attributes), and a flexible a...
false
false
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
76,298
2106.10683
Solution for Large-scale Long-tailed Recognition with Noisy Labels
This is a technical report for CVPR 2021 AliProducts Challenge. AliProducts Challenge is a competition proposed for studying the large-scale and fine-grained commodity image recognition problem encountered by worldleading ecommerce companies. The large-scale product recognition simultaneously meets the challenge of noi...
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false
false
false
true
false
false
false
false
false
false
true
false
false
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false
false
242,113
2406.19532
Dataless Quadratic Neural Networks for the Maximum Independent Set Problem
Combinatorial Optimization (CO) addresses many important problems, including the challenging Maximum Independent Set (MIS) problem. Alongside exact and heuristic solvers, differentiable approaches have emerged, often using continuous relaxations of ReLU-based or quadratic objectives. Noting that an MIS in a graph is a ...
false
false
false
false
false
false
true
false
false
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false
false
false
false
false
false
false
true
468,451
2104.09938
Nonlinear Tracking and Rejection using Linear Parameter-Varying Control
The Linear Parameter-Varying (LPV) framework has been introduced with the intention to provide stability and performance guarantees for analysis and controller synthesis for Nonlinear (NL) systems via convex methods. By extending results of the Linear Time-Invariant framework, mainly based on quadratic stability and pe...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
231,408
2412.15129
Jet: A Modern Transformer-Based Normalizing Flow
In the past, normalizing generative flows have emerged as a promising class of generative models for natural images. This type of model has many modeling advantages: the ability to efficiently compute log-likelihood of the input data, fast generation and simple overall structure. Normalizing flows remained a topic of a...
false
false
false
false
true
false
true
false
false
false
false
true
false
false
false
false
false
false
518,953
1207.0783
Hybrid Template Update System for Unimodal Biometric Systems
Semi-supervised template update systems allow to automatically take into account the intra-class variability of the biometric data over time. Such systems can be inefficient by including too many impostor's samples or skipping too many genuine's samples. In the first case, the biometric reference drifts from the real b...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
17,194
2007.01814
DynNet: Physics-based neural architecture design for linear and nonlinear structural response modeling and prediction
Data-driven models for predicting dynamic responses of linear and nonlinear systems are of great importance due to their wide application from probabilistic analysis to inverse problems such as system identification and damage diagnosis. In this study, a physics-based recurrent neural network model is designed that is ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
185,541
2009.07611
Perceiving Traffic from Aerial Images
Drones or UAVs, equipped with different sensors, have been deployed in many places especially for urban traffic monitoring or last-mile delivery. It provides the ability to control the different aspects of traffic given real-time obeservations, an important pillar for the future of transportation and smart cities. With...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
195,991
2205.13128
Cascading Residual Graph Convolutional Network for Multi-Behavior Recommendation
Multi-behavior recommendation exploits multiple types of user-item interactions to alleviate the data sparsity problem faced by the traditional models that often utilize only one type of interaction for recommendation. In real scenarios, users often take a sequence of actions to interact with an item, in order to get m...
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
298,818
1909.07541
A*3D Dataset: Towards Autonomous Driving in Challenging Environments
With the increasing global popularity of self-driving cars, there is an immediate need for challenging real-world datasets for benchmarking and training various computer vision tasks such as 3D object detection. Existing datasets either represent simple scenarios or provide only day-time data. In this paper, we introdu...
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false
false
false
false
false
false
true
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false
false
true
false
false
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false
false
false
145,693
2311.10502
Fast Estimations of Hitting Time of Elitist Evolutionary Algorithms from Fitness Levels
The fitness level method is an easy-to-use tool for estimating the hitting time of elitist evolutionary algorithms. Recently, linear lower and upper bounds by fitness levels have been constructed. But these bounds require recursive computation, which makes them difficult to use in practice. We address this shortcoming ...
false
false
false
false
false
false
false
false
false
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false
false
false
false
false
true
false
false
408,548
2310.03037
Quantum image edge detection based on eight-direction Sobel operator for NEQR
Quantum Sobel edge detection (QSED) is a kind of algorithm for image edge detection using quantum mechanism, which can solve the real-time problem encountered by classical algorithms. However, the existing QSED algorithms only consider two- or four-direction Sobel operator, which leads to a certain loss of edge detail ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
397,111
2107.09760
An Exploration of Exploration: Measuring the ability of lexicase selection to find obscure pathways to optimality
Parent selection algorithms (selection schemes) steer populations through a problem's search space, often trading off between exploitation and exploration. Understanding how selection schemes affect exploitation and exploration within a search space is crucial to tackling increasingly challenging problems. Here, we int...
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false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
false
247,113
2306.14219
Total Error Sheets for Datasets (TES-D) -- A Critical Guide to Documenting Online Platform Datasets
This paper proposes a template for documenting datasets that have been collected from online platforms for research purposes. The template should help to critically reflect on data quality and increase transparency in research fields that make use of online platform data. The paper describes our motivation, outlines th...
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false
false
false
false
false
false
false
false
false
false
false
false
true
false
false
true
false
375,595
2305.17672
New Cycle-based Formulation, Cost Function, and Heuristics for DC OPF Based Controlled Islanding
This paper presents a new formulation for intentional controlled islanding (ICI) of power transmission grids based on mixed-integer linear programming (MILP) DC optimal power flow (OPF) model. We highlight several deficiencies of the most well-known formulation for this problem and propose new enhancements for their im...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
368,697
2106.05094
Semi-supervised lane detection with Deep Hough Transform
Current work on lane detection relies on large manually annotated datasets. We reduce the dependency on annotations by leveraging massive cheaply available unlabelled data. We propose a novel loss function exploiting geometric knowledge of lanes in Hough space, where a lane can be identified as a local maximum. By spli...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
239,967
2103.10284
SG-Net: Spatial Granularity Network for One-Stage Video Instance Segmentation
Video instance segmentation (VIS) is a new and critical task in computer vision. To date, top-performing VIS methods extend the two-stage Mask R-CNN by adding a tracking branch, leaving plenty of room for improvement. In contrast, we approach the VIS task from a new perspective and propose a one-stage spatial granulari...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
225,409
1704.06918
Neural Machine Translation via Binary Code Prediction
In this paper, we propose a new method for calculating the output layer in neural machine translation systems. The method is based on predicting a binary code for each word and can reduce computation time/memory requirements of the output layer to be logarithmic in vocabulary size in the best case. In addition, we also...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
72,255
2203.10229
Reinforcement Learned Distributed Multi-Robot Navigation with Reciprocal Velocity Obstacle Shaped Rewards
The challenges to solving the collision avoidance problem lie in adaptively choosing optimal robot velocities in complex scenarios full of interactive obstacles. In this paper, we propose a distributed approach for multi-robot navigation which combines the concept of reciprocal velocity obstacle (RVO) and the scheme of...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
286,453
0803.2973
Rule Generalisation in Intrusion Detection Systems using Snort
Intrusion Detection Systems (ids)provide an important layer of security for computer systems and networks, and are becoming more and more necessary as reliance on Internet services increases and systems with sensitive data are more commonly open to Internet access. An ids responsibility is to detect suspicious or unacc...
false
false
false
false
false
false
false
false
false
false
false
false
true
false
false
true
false
false
1,468
2011.09353
Generic Ontology Design Patterns: Roles and Change over Time
In this chapter we propose Generic Ontology Design Patterns, GODPs, as a methodology for representing and instantiating ontology design patterns in a way that is adaptable, and allows domain experts (and other users) to safely use them without cluttering their ontologies.
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
207,158
2003.01184
Variational inference formulation for a model-free simulation of a dynamical system with unknown parameters by a recurrent neural network
We propose a recurrent neural network for a "model-free" simulation of a dynamical system with unknown parameters without prior knowledge. The deep learning model aims to jointly learn the nonlinear time marching operator and the effects of the unknown parameters from a time series dataset. We assume that the time seri...
false
false
false
false
false
false
true
false
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false
false
false
false
false
true
false
false
166,562
2310.06572
Deep Learning reconstruction with uncertainty estimation for $\gamma$ photon interaction in fast scintillator detectors
This article presents a physics-informed deep learning method for the quantitative estimation of the spatial coordinates of gamma interactions within a monolithic scintillator, with a focus on Positron Emission Tomography (PET) imaging. A Density Neural Network approach is designed to estimate the 2-dimensional gamma p...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
398,635
2311.09783
Investigating Data Contamination in Modern Benchmarks for Large Language Models
Recent observations have underscored a disparity between the inflated benchmark scores and the actual performance of LLMs, raising concerns about potential contamination of evaluation benchmarks. This issue is especially critical for closed-source models and certain open-source models where training data transparency i...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
408,294
1910.03883
Second-order coding rates for key distillation in quantum key distribution
The security of quantum key distribution has traditionally been analyzed in either the asymptotic or non-asymptotic regimes. In this paper, we provide a bridge between these two regimes, by determining second-order coding rates for key distillation in quantum key distribution under collective attacks. Our main result i...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
148,620
2008.10224
Variable Compliance Control for Robotic Peg-in-Hole Assembly: A Deep Reinforcement Learning Approach
Industrial robot manipulators are playing a more significant role in modern manufacturing industries. Though peg-in-hole assembly is a common industrial task which has been extensively researched, safely solving complex high precision assembly in an unstructured environment remains an open problem. Reinforcement Learni...
false
false
false
false
false
false
true
true
false
false
false
false
false
false
false
false
false
false
192,941
1708.00420
Impact of different time series aggregation methods on optimal energy system design
Modelling renewable energy systems is a computationally-demanding task due to the high fluctuation of supply and demand time series. To reduce the scale of these, this paper discusses different methods for their aggregation into typical periods. Each aggregation method is applied to a different type of energy system mo...
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true
false
false
false
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false
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false
false
false
78,209
1707.07301
Deep Optical Flow Estimation Via Multi-Scale Correspondence Structure Learning
As an important and challenging problem in computer vision, learning based optical flow estimation aims to discover the intrinsic correspondence structure between two adjacent video frames through statistical learning. Therefore, a key issue to solve in this area is how to effectively model the multi-scale corresponden...
false
false
false
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false
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true
false
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false
false
false
false
77,597