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541k
2411.09410
LLM-assisted Explicit and Implicit Multi-interest Learning Framework for Sequential Recommendation
Multi-interest modeling in current recommender systems (RS) is mainly based on user behavioral data, capturing user interest preferences from multiple dimensions. However, since behavioral data is implicit and often highly sparse, it is challenging to understand users' complex and diverse interests. Recent studies have...
false
false
false
false
false
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508,237
2405.16542
Mamba4KT:An Efficient and Effective Mamba-based Knowledge Tracing Model
Knowledge tracing (KT) enhances student learning by leveraging past performance to predict future performance. Current research utilizes models based on attention mechanisms and recurrent neural network structures to capture long-term dependencies and correlations between exercises, aiming to improve model accuracy. Du...
false
false
false
false
true
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false
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457,480
2405.06227
MaskMatch: Boosting Semi-Supervised Learning Through Mask Autoencoder-Driven Feature Learning
Conventional methods in semi-supervised learning (SSL) often face challenges related to limited data utilization, mainly due to their reliance on threshold-based techniques for selecting high-confidence unlabeled data during training. Various efforts (e.g., FreeMatch) have been made to enhance data utilization by tweak...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
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false
false
false
453,218
1808.06509
Optimized Rate-Adaptive Protograph-Based LDPC Codes for Source Coding with Side Information
This paper considers the problem of source coding with side information at the decoder, also called Slepian-Wolf source coding scheme. In practical applications of this coding scheme, the statistical relation between the source and the side information can vary from one data transmission to another, and there is a need...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
105,547
1812.11485
Partially Non-Recurrent Controllers for Memory-Augmented Neural Networks
Memory-Augmented Neural Networks (MANNs) are a class of neural networks equipped with an external memory, and are reported to be effective for tasks requiring a large long-term memory and its selective use. The core module of a MANN is called a controller, which is usually implemented as a recurrent neural network (RNN...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
true
false
false
117,574
2405.05187
A score-based particle method for homogeneous Landau equation
We propose a novel score-based particle method for solving the Landau equation in plasmas, that seamlessly integrates learning with structure-preserving particle methods [arXiv:1910.03080]. Building upon the Lagrangian viewpoint of the Landau equation, a central challenge stems from the nonlinear dependence of the velo...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
452,827
2210.06728
On the Efficient Implementation of High Accuracy Optimality of Profile Maximum Likelihood
We provide an efficient unified plug-in approach for estimating symmetric properties of distributions given $n$ independent samples. Our estimator is based on profile-maximum-likelihood (PML) and is sample optimal for estimating various symmetric properties when the estimation error $\epsilon \gg n^{-1/3}$. This result...
false
false
false
false
false
false
true
false
false
true
false
false
false
false
false
false
false
true
323,417
2202.07021
QuadSim: A Quadcopter Rotational Dynamics Simulation Framework For Reinforcement Learning Algorithms
This study focuses on designing and developing a mathematically based quadcopter rotational dynamics simulation framework for testing reinforcement learning (RL) algorithms in many flexible configurations. The design of the simulation framework aims to simulate both linear and nonlinear representations of a quadcopter ...
false
false
false
false
true
false
true
false
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false
false
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false
false
false
false
280,398
2307.08104
Using Decision Trees for Interpretable Supervised Clustering
In this paper, we address an issue of finding explainable clusters of class-uniform data in labelled datasets. The issue falls into the domain of interpretable supervised clustering. Unlike traditional clustering, supervised clustering aims at forming clusters of labelled data with high probability densities. We are pa...
false
false
false
false
false
false
true
false
false
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false
false
false
false
false
false
false
false
379,673
1710.08500
Are Multiagent Systems Resilient to Communication Failures?
A challenge in multiagent control systems is to ensure that they are appropriately resilient to communication failures between the various agents. In many common game-theoretic formulations of these types of systems, it is implicitly assumed that all agents have access to as much information about other agents' actions...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
true
false
false
true
83,086
2303.05780
TAKT: Target-Aware Knowledge Transfer for Whole Slide Image Classification
Transferring knowledge from a source domain to a target domain can be crucial for whole slide image classification, since the number of samples in a dataset is often limited due to high annotation costs. However, domain shift and task discrepancy between datasets can hinder effective knowledge transfer. In this paper, ...
false
false
false
false
true
false
false
false
false
false
false
true
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false
false
false
false
false
350,600
2412.03055
Real-Time AIoT for UAV Antenna Interference Detection via Edge-Cloud Collaboration
In the fifth-generation (5G) era, eliminating communication interference sources is crucial for maintaining network performance. Interference often originates from unauthorized or malfunctioning antennas, and radio monitoring agencies must address numerous sources of such antennas annually. Unmanned aerial vehicles (UA...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
513,795
2103.00919
Computing the sampling performance of event-triggered control
In the context of networked control systems, event-triggered control (ETC) has emerged as a major topic due to its alleged resource usage reduction capabilities. However, this is mainly supported by numerical simulations, and very little is formally known about the traffic generated by ETC. This work devises a method t...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
222,452
2206.11484
Towards WinoQueer: Developing a Benchmark for Anti-Queer Bias in Large Language Models
This paper presents exploratory work on whether and to what extent biases against queer and trans people are encoded in large language models (LLMs) such as BERT. We also propose a method for reducing these biases in downstream tasks: finetuning the models on data written by and/or about queer people. To measure anti-q...
false
false
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
304,280
1702.00764
Symbolic, Distributed and Distributional Representations for Natural Language Processing in the Era of Deep Learning: a Survey
Natural language is inherently a discrete symbolic representation of human knowledge. Recent advances in machine learning (ML) and in natural language processing (NLP) seem to contradict the above intuition: discrete symbols are fading away, erased by vectors or tensors called distributed and distributional representat...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
67,703
2407.18900
How Polarized are Online Conversations about Childhood?
2020 through 2023 were unusually tumultuous years for children in the United States, and children's welfare was prominent in political debate. Theories in moral psychology suggest that political parties would treat concerns for children using different moral frames, and that moral conflict might drive substantial polar...
false
false
false
true
false
false
false
false
false
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false
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false
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476,555
2409.13410
Sine Wave Normalization for Deep Learning-Based Tumor Segmentation in CT/PET Imaging
This report presents a normalization block for automated tumor segmentation in CT/PET scans, developed for the autoPET III Challenge. The key innovation is the introduction of the SineNormal, which applies periodic sine transformations to PET data to enhance lesion detection. By highlighting intensity variations and pr...
false
false
false
false
true
false
false
false
false
false
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true
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false
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489,982
2311.09748
Translation Aligned Sentence Embeddings for Turkish Language
Due to the limited availability of high quality datasets for training sentence embeddings in Turkish, we propose a training methodology and a regimen to develop a sentence embedding model. The central idea is simple but effective : is to fine-tune a pretrained encoder-decoder model in two consecutive stages, where the ...
false
false
false
false
false
false
false
false
true
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false
false
false
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408,274
2501.03937
A precise asymptotic analysis of learning diffusion models: theory and insights
In this manuscript, we consider the problem of learning a flow or diffusion-based generative model parametrized by a two-layer auto-encoder, trained with online stochastic gradient descent, on a high-dimensional target density with an underlying low-dimensional manifold structure. We derive a tight asymptotic character...
false
false
false
false
false
false
true
false
false
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523,047
2009.07635
The FaceChannel: A Fast & Furious Deep Neural Network for Facial Expression Recognition
Current state-of-the-art models for automatic Facial Expression Recognition (FER) are based on very deep neural networks that are effective but rather expensive to train. Given the dynamic conditions of FER, this characteristic hinders such models of been used as a general affect recognition. In this paper, we address ...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
196,000
2407.12830
Knowledge-based Consistency Testing of Large Language Models
In this work, we systematically expose and measure the inconsistency and knowledge gaps of Large Language Models (LLMs). Specifically, we propose an automated testing framework (called KonTest) which leverages a knowledge graph to construct test cases. KonTest probes and measures the inconsistencies in the LLM's knowle...
false
false
false
false
true
false
true
false
true
false
false
false
false
false
false
false
false
false
474,106
2201.07341
Learning grammar with a divide-and-concur neural network
We implement a divide-and-concur iterative projection approach to context-free grammar inference. Unlike most state-of-the-art models of natural language processing, our method requires a relatively small number of discrete parameters, making the inferred grammar directly interpretable -- one can read off from a soluti...
false
false
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
275,995
2111.02709
Analog MIMO Communication for One-shot Distributed Principal Component Analysis
A fundamental algorithm for data analytics at the edge of wireless networks is distributed principal component analysis (DPCA), which finds the most important information embedded in a distributed high-dimensional dataset by distributed computation of a reduced-dimension data subspace, called principal components (PCs)...
false
false
false
false
false
false
false
false
false
true
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false
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264,952
2308.14583
Learning to Read Analog Gauges from Synthetic Data
Manually reading and logging gauge data is time inefficient, and the effort increases according to the number of gauges available. We present a computer vision pipeline that automates the reading of analog gauges. We propose a two-stage CNN pipeline that identifies the key structural components of an analog gauge and o...
false
false
false
false
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false
388,377
1907.05021
Optimal Feature Transport for Cross-View Image Geo-Localization
This paper addresses the problem of cross-view image geo-localization, where the geographic location of a ground-level street-view query image is estimated by matching it against a large scale aerial map (e.g., a high-resolution satellite image). State-of-the-art deep-learning based methods tackle this problem as deep ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
138,260
2208.14743
SimpleRecon: 3D Reconstruction Without 3D Convolutions
Traditionally, 3D indoor scene reconstruction from posed images happens in two phases: per-image depth estimation, followed by depth merging and surface reconstruction. Recently, a family of methods have emerged that perform reconstruction directly in final 3D volumetric feature space. While these methods have shown im...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
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false
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315,410
2408.08624
RealMedQA: A pilot biomedical question answering dataset containing realistic clinical questions
Clinical question answering systems have the potential to provide clinicians with relevant and timely answers to their questions. Nonetheless, despite the advances that have been made, adoption of these systems in clinical settings has been slow. One issue is a lack of question-answering datasets which reflect the real...
false
false
false
false
true
false
false
false
true
false
false
false
false
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false
false
481,072
1504.00532
A general framework for compressed sensing and parallel MRI using annihilating filter based low-rank Hankel matrix
Parallel MRI (pMRI) and compressed sensing MRI (CS-MRI) have been considered as two distinct reconstruction problems. Inspired by recent k-space interpolation methods, an annihilating filter based low-rank Hankel matrix approach (ALOHA) is proposed as a general framework for sparsity-driven k-space interpolation method...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
41,713
1503.06962
Probabilistic Binary-Mask Cocktail-Party Source Separation in a Convolutional Deep Neural Network
Separation of competing speech is a key challenge in signal processing and a feat routinely performed by the human auditory brain. A long standing benchmark of the spectrogram approach to source separation is known as the ideal binary mask. Here, we train a convolutional deep neural network, on a two-speaker cocktail p...
false
false
true
false
false
false
true
false
false
false
false
false
false
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true
false
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41,423
2408.15778
LogicGame: Benchmarking Rule-Based Reasoning Abilities of Large Language Models
Large Language Models (LLMs) have demonstrated notable capabilities across various tasks, showcasing complex problem-solving abilities. Understanding and executing complex rules, along with multi-step planning, are fundamental to logical reasoning and critical for practical LLM agents and decision-making systems. Howev...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
484,075
2405.14425
When predict can also explain: few-shot prediction to select better neural latents
Latent variable models serve as powerful tools to infer underlying dynamics from observed neural activity. Ideally, the inferred dynamics should align with true ones. However, due to the absence of ground truth data, prediction benchmarks are often employed as proxies. One widely-used method, *co-smoothing*, involves j...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
456,418
1909.12316
Preference-Based Learning for Exoskeleton Gait Optimization
This paper presents a personalized gait optimization framework for lower-body exoskeletons. Rather than optimizing numerical objectives such as the mechanical cost of transport, our approach directly learns from user preferences, e.g., for comfort. Building upon work in preference-based interactive learning, we present...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
147,089
1809.07887
Closeness of Solutions for Singularly Perturbed Systems via Averaging
This paper studies the behavior of singularly perturbed nonlinear differential equations with boundary-layer solutions that do not necessarily converge to an equilibrium. Using the average of the fast variable and assuming the boundary layer solutions converge to a bounded set, results on the closeness of solutions of ...
false
false
false
false
false
false
false
false
false
false
true
false
false
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false
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false
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108,380
1911.07509
AI-based Pilgrim Detection using Convolutional Neural Networks
Pilgrimage represents the most important Islamic religious gathering in the world where millions of pilgrims visit the holy places of Makkah and Madinah to perform their rituals. The safety and security of pilgrims is the highest priority for the authorities. In Makkah, 5000 cameras are spread around the holy for monit...
false
false
false
false
false
false
true
false
false
false
false
true
false
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153,877
2012.03468
An Empirical Survey of Unsupervised Text Representation Methods on Twitter Data
The field of NLP has seen unprecedented achievements in recent years. Most notably, with the advent of large-scale pre-trained Transformer-based language models, such as BERT, there has been a noticeable improvement in text representation. It is, however, unclear whether these improvements translate to noisy user-gener...
false
false
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
210,128
2207.05833
Earthformer: Exploring Space-Time Transformers for Earth System Forecasting
Conventionally, Earth system (e.g., weather and climate) forecasting relies on numerical simulation with complex physical models and are hence both expensive in computation and demanding on domain expertise. With the explosive growth of the spatiotemporal Earth observation data in the past decade, data-driven models th...
false
false
false
false
true
false
true
false
false
false
false
true
false
false
false
false
false
false
307,678
2408.17428
CLOCR-C: Context Leveraging OCR Correction with Pre-trained Language Models
The digitisation of historical print media archives is crucial for increasing accessibility to contemporary records. However, the process of Optical Character Recognition (OCR) used to convert physical records to digital text is prone to errors, particularly in the case of newspapers and periodicals due to their comple...
false
false
false
false
false
false
false
false
true
false
false
false
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false
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false
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484,699
2007.00479
The Restricted Isometry of ReLU Networks: Generalization through Norm Concentration
While regression tasks aim at interpolating a relation on the entire input space, they often have to be solved with a limited amount of training data. Still, if the hypothesis functions can be sketched well with the data, one can hope for identifying a generalizing model. In this work, we introduce with the Neural Re...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
185,128
2404.09480
Mitigating Hallucination in Abstractive Summarization with Domain-Conditional Mutual Information
A primary challenge in abstractive summarization is hallucination -- the phenomenon where a model generates plausible text that is absent in the source text. We hypothesize that the domain (or topic) of the source text triggers the model to generate text that is highly probable in the domain, neglecting the details of ...
false
false
false
false
true
false
false
false
true
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false
false
false
false
false
446,694
2404.00495
Configurable Safety Tuning of Language Models with Synthetic Preference Data
State-of-the-art language model fine-tuning techniques, such as Direct Preference Optimization (DPO), restrict user control by hard-coding predefined behaviors into the model. To address this, we propose a novel method, Configurable Safety Tuning (CST), that augments DPO using synthetic preference data to facilitate fl...
false
false
false
false
true
false
false
false
true
false
false
false
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false
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false
false
442,957
2405.09711
STAR: A Benchmark for Situated Reasoning in Real-World Videos
Reasoning in the real world is not divorced from situations. How to capture the present knowledge from surrounding situations and perform reasoning accordingly is crucial and challenging for machine intelligence. This paper introduces a new benchmark that evaluates the situated reasoning ability via situation abstracti...
false
false
false
false
true
false
false
false
true
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true
false
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454,500
1605.03956
On the Convergent Properties of Word Embedding Methods
Do word embeddings converge to learn similar things over different initializations? How repeatable are experiments with word embeddings? Are all word embedding techniques equally reliable? In this paper we propose evaluating methods for learning word representations by their consistency across initializations. We propo...
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false
false
false
false
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false
false
true
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55,812
1512.06868
Minimum distance functions of graded ideals and Reed-Muller-type codes
We introduce and study the minimum distance function of a graded ideal in a polynomial ring with coefficients in a field, and show that it generalizes the minimum distance of projective Reed-Muller-type codes over finite fields. This gives an algebraic formulation of the minimum distance of a projective Reed-Muller-typ...
false
false
false
false
false
false
false
false
false
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false
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50,357
2111.15129
Anonymization for Skeleton Action Recognition
Skeleton-based action recognition attracts practitioners and researchers due to the lightweight, compact nature of datasets. Compared with RGB-video-based action recognition, skeleton-based action recognition is a safer way to protect the privacy of subjects while having competitive recognition performance. However, du...
false
false
false
false
false
false
true
false
false
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false
true
false
false
false
false
false
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268,821
2402.04469
IoT Network Traffic Analysis with Deep Learning
As IoT networks become more complex and generate massive amounts of dynamic data, it is difficult to monitor and detect anomalies using traditional statistical methods and machine learning methods. Deep learning algorithms can process and learn from large amounts of data and can also be trained using unsupervised learn...
false
false
false
false
false
false
true
false
false
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427,463
2311.02695
Identifying Linearly-Mixed Causal Representations from Multi-Node Interventions
The task of inferring high-level causal variables from low-level observations, commonly referred to as causal representation learning, is fundamentally underconstrained. As such, recent works to address this problem focus on various assumptions that lead to identifiability of the underlying latent causal variables. A l...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
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405,544
1405.6033
Universal Bayesian Measures and Universal Histogram Sequences
Consider universal data compression: the length $l(x^n)$ of sequence $x^n\in A^n$ with finite alphabet $A$ and length $n$ satisfies Kraft's inequality over $A^n$, and $-\frac{1}{n}\log \frac{P^n(x^n)}{Q^n(x^n)}$ almost surely converges to zero as $n$ grows for the $Q^n(x^n)=2^{-l(x^n)}$ and any stationary ergodic sourc...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
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33,329
1607.01059
Improving Sparse Representation-Based Classification Using Local Principal Component Analysis
Sparse representation-based classification (SRC), proposed by Wright et al., seeks the sparsest decomposition of a test sample over the dictionary of training samples, with classification to the most-contributing class. Because it assumes test samples can be written as linear combinations of their same-class training s...
false
false
false
false
false
false
false
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false
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false
true
false
false
false
false
false
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58,175
2308.10578
Weakly synchronous systems with three machines are Turing powerful
Communicating finite-state machines (CFMs) are a Turing powerful model of asynchronous message-passing distributed systems. In weakly synchronous systems, processes communicate through phases in which messages are first sent and then received, for each process. Such systems enjoy a limited form of synchronization, and ...
false
false
false
false
false
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false
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386,794
2108.07478
Instance Segmentation in 3D Scenes using Semantic Superpoint Tree Networks
Instance segmentation in 3D scenes is fundamental in many applications of scene understanding. It is yet challenging due to the compound factors of data irregularity and uncertainty in the numbers of instances. State-of-the-art methods largely rely on a general pipeline that first learns point-wise features discriminat...
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false
false
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250,927
2404.13333
Parallel-in-Time Integration of Transient Phenomena in No-Insulation Superconducting Coils Using Parareal
High-temperature superconductors (HTS) have the potential to enable magnetic fields beyond the current limits of low-temperature superconductors in applications like accelerator magnets. However, the design of HTS-based magnets requires computationally demanding transient multi-physics simulations with highly non-linea...
false
true
false
false
false
false
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448,250
2411.03351
Tabular Data Synthesis with Differential Privacy: A Survey
Data sharing is a prerequisite for collaborative innovation, enabling organizations to leverage diverse datasets for deeper insights. In real-world applications like FinTech and Smart Manufacturing, transactional data, often in tabular form, are generated and analyzed for insight generation. However, such datasets typi...
false
false
false
false
true
false
false
false
false
false
false
false
true
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false
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true
false
505,871
2210.04620
FLamby: Datasets and Benchmarks for Cross-Silo Federated Learning in Realistic Healthcare Settings
Federated Learning (FL) is a novel approach enabling several clients holding sensitive data to collaboratively train machine learning models, without centralizing data. The cross-silo FL setting corresponds to the case of few ($2$--$50$) reliable clients, each holding medium to large datasets, and is typically found in...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
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false
false
322,529
2303.05101
Scalable Stochastic Gradient Riemannian Langevin Dynamics in Non-Diagonal Metrics
Stochastic-gradient sampling methods are often used to perform Bayesian inference on neural networks. It has been observed that the methods in which notions of differential geometry are included tend to have better performances, with the Riemannian metric improving posterior exploration by accounting for the local curv...
false
false
false
false
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350,340
2109.12722
Markerless Suture Needle 6D Pose Tracking with Robust Uncertainty Estimation for Autonomous Minimally Invasive Robotic Surgery
Suture needle localization is necessary for autonomous suturing. Previous approaches in autonomous suturing often relied on fiducial markers rather than markerless detection schemes for localizing a suture needle due to the inconsistency of markerless detections. However, fiducial markers are not practical for real-wor...
false
false
false
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
257,391
1909.00392
Towards Robust Learning-Based Pose Estimation of Noncooperative Spacecraft
This work presents a novel Convolutional Neural Network (CNN) architecture and a training procedure to enable robust and accurate pose estimation of a noncooperative spacecraft. First, a new CNN architecture is introduced that has scored a fourth place in the recent Pose Estimation Challenge hosted by Stanford's Space ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
143,622
2404.06004
AiSAQ: All-in-Storage ANNS with Product Quantization for DRAM-free Information Retrieval
In approximate nearest neighbor search (ANNS) methods based on approximate proximity graphs, DiskANN achieves good recall-speed balance for large-scale datasets using both of RAM and storage. Despite it claims to save memory usage by loading compressed vectors by product quantization (PQ), its memory usage increases in...
false
false
false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
true
445,295
1903.07988
Deep Learning Enables Automatic Detection and Segmentation of Brain Metastases on Multi-Sequence MRI
Detecting and segmenting brain metastases is a tedious and time-consuming task for many radiologists, particularly with the growing use of multi-sequence 3D imaging. This study demonstrates automated detection and segmentation of brain metastases on multi-sequence MRI using a deep learning approach based on a fully con...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
124,750
2102.06659
Leveraging Artificial Intelligence to Analyze Citizens' Opinions on Urban Green Space
Continued population growth and urbanization is shifting research to consider the quality of urban green space over the quantity of these parks, woods, and wetlands. The quality of urban green space has been hitherto measured by expert assessments, including in-situ observations, surveys, and remote sensing analyses. L...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
219,831
1907.05671
Justifying Diagnosis Decisions by Deep Neural Networks
An integrated approach is proposed across visual and textual data to both determine and justify a medical diagnosis by a neural network. As deep learning techniques improve, interest grows to apply them in medical applications. To enable a transition to workflows in a medical context that are aided by machine learning,...
true
false
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
138,426
2201.09433
Active Learning Polynomial Threshold Functions
We initiate the study of active learning polynomial threshold functions (PTFs). While traditional lower bounds imply that even univariate quadratics cannot be non-trivially actively learned, we show that allowing the learner basic access to the derivatives of the underlying classifier circumvents this issue and leads t...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
276,674
2007.12236
Usability of a Robot's Realistic Facial Expressions and Peripherals in Autistic Children's Therapy
Robot-assisted therapy is an emerging form of therapy for autistic children, although designing effective robot behaviors is a challenge for effective implementation of such therapy. A series of usability tests assessed trends in the effectiveness of modelling a robot's facial expressions on realistic facial expression...
true
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
188,766
1512.00743
Recognizing Semantic Features in Faces using Deep Learning
The human face constantly conveys information, both consciously and subconsciously. However, as basic as it is for humans to visually interpret this information, it is quite a big challenge for machines. Conventional semantic facial feature recognition and analysis techniques are already in use and are based on physiol...
false
false
false
false
true
false
true
false
false
false
false
true
false
false
false
false
false
false
49,738
2103.01452
Social Profit Optimization with Demand Response Management in Electricity Market: A Multi-timescale Leader-following Approach
In the electricity market, it is quite common that the market participants make "selfish" strategies to harvest the maximum profits for themselves, which may cause the social benefit loss and impair the sustainability of the society in the long term. Regarding this issue, in this work, we will discuss how the social pr...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
true
222,621
1907.02821
Benchmarking unsupervised near-duplicate image detection
Unsupervised near-duplicate detection has many practical applications ranging from social media analysis and web-scale retrieval, to digital image forensics. It entails running a threshold-limited query on a set of descriptors extracted from the images, with the goal of identifying all possible near-duplicates, while l...
false
false
false
false
false
false
true
false
false
false
false
true
true
false
false
false
false
true
137,693
2305.00533
Guaranteed Evader Detection in Multi-Agent Search Tasks using Pincer Trajectories
Assume that inside an initial planar area there are smart mobile evaders attempting to avoid detection by a team of sweeping searching agents. All sweepers detect evaders with fan-shaped sensors, modeling the field of view of real cameras. Detection of all evaders is guaranteed with cooperative sweeping strategies, by ...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
361,363
2305.02312
AG3D: Learning to Generate 3D Avatars from 2D Image Collections
While progress in 2D generative models of human appearance has been rapid, many applications require 3D avatars that can be animated and rendered. Unfortunately, most existing methods for learning generative models of 3D humans with diverse shape and appearance require 3D training data, which is limited and expensive t...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
361,990
2402.01618
Style Vectors for Steering Generative Large Language Model
This research explores strategies for steering the output of large language models (LLMs) towards specific styles, such as sentiment, emotion, or writing style, by adding style vectors to the activations of hidden layers during text generation. We show that style vectors can be simply computed from recorded layer activ...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
426,102
2407.01445
FastCLIP: A Suite of Optimization Techniques to Accelerate CLIP Training with Limited Resources
Existing studies of training state-of-the-art Contrastive Language-Image Pretraining (CLIP) models on large-scale data involve hundreds of or even thousands of GPUs due to the requirement of a large batch size. However, such a large amount of resources is not accessible to most people. While advanced compositional opti...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
469,300
2012.01405
Learning View-Disentangled Human Pose Representation by Contrastive Cross-View Mutual Information Maximization
We introduce a novel representation learning method to disentangle pose-dependent as well as view-dependent factors from 2D human poses. The method trains a network using cross-view mutual information maximization (CV-MIM) which maximizes mutual information of the same pose performed from different viewpoints in a cont...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
209,409
2408.09886
SAM-UNet:Enhancing Zero-Shot Segmentation of SAM for Universal Medical Images
Segment Anything Model (SAM) has demonstrated impressive performance on a wide range of natural image segmentation tasks. However, its performance significantly deteriorates when directly applied to medical domain, due to the remarkable differences between natural images and medical images. Some researchers have attemp...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
481,633
2404.09365
Hierarchical Attention Models for Multi-Relational Graphs
We present Bi-Level Attention-Based Relational Graph Convolutional Networks (BR-GCN), unique neural network architectures that utilize masked self-attentional layers with relational graph convolutions, to effectively operate on highly multi-relational data. BR-GCN models use bi-level attention to learn node embeddings ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
446,640
2402.03319
Physical Reservoir Computing Enabled by Solitary Waves and Biologically-Inspired Nonlinear Transformation of Input Data
Reservoir computing (RC) systems can efficiently forecast chaotic time series using nonlinear dynamical properties of an artificial neural network of random connections. The versatility of RC systems has motivated further research on both hardware counterparts of traditional RC algorithms and more efficient RC-like sch...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
false
false
426,960
2007.13019
Feedback Loop and Bias Amplification in Recommender Systems
Recommendation algorithms are known to suffer from popularity bias; a few popular items are recommended frequently while the majority of other items are ignored. These recommendations are then consumed by the users, their reaction will be logged and added to the system: what is generally known as a feedback loop. In th...
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
188,996
1704.06955
Superadditivity of the Classical Capacity with Limited Entanglement Assistance
Finding the optimal encoding strategies can be challenging for communication using quantum channels, as classical and quantum capacities may be superadditive. Entanglement assistance can often simplify this task, as the entanglement-assisted classical capacity for any channel is additive, making entanglement across cha...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
72,264
2108.09993
Image coding for machines: an end-to-end learned approach
Over recent years, deep learning-based computer vision systems have been applied to images at an ever-increasing pace, oftentimes representing the only type of consumption for those images. Given the dramatic explosion in the number of images generated per day, a question arises: how much better would an image codec ta...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
251,767
2501.02194
Ensemble-based Deep Multilayer Community Search
Multilayer graphs, consisting of multiple interconnected layers, are widely used to model diverse relationships in the real world. A community is a cohesive subgraph that offers valuable insights for analyzing (multilayer) graphs. Recently, there has been an emerging trend focused on searching query-driven communities ...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
522,389
2107.09802
Private Alternating Least Squares: Practical Private Matrix Completion with Tighter Rates
We study the problem of differentially private (DP) matrix completion under user-level privacy. We design a joint differentially private variant of the popular Alternating-Least-Squares (ALS) method that achieves: i) (nearly) optimal sample complexity for matrix completion (in terms of number of items, users), and ii) ...
false
false
false
false
false
false
true
false
false
false
false
false
true
false
false
false
false
false
247,129
1408.1600
Change Impact Analysis Based Regression Testing of Web Services
Reducing the effort required to make changes in web services is one of the primary goals in web service projects maintenance and evolution. Normally, functional and non-functional testing of a web service is performed by testing the operations specified in its WSDL. The regression testing is performed by identifying th...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
true
35,191
2410.05805
PostCast: Generalizable Postprocessing for Precipitation Nowcasting via Unsupervised Blurriness Modeling
Precipitation nowcasting plays a pivotal role in socioeconomic sectors, especially in severe convective weather warnings. Although notable progress has been achieved by approaches mining the spatiotemporal correlations with deep learning, these methods still suffer severe blurriness as the lead time increases, which ha...
false
false
false
false
true
false
false
false
false
false
false
true
false
false
false
false
false
false
495,927
2002.10836
Gesture recognition with 60GHz 802.11 waveforms
Gesture recognition application over 802.11 ad/y waveforms is developed. Simultaneous gestures of slider-control and two-finger gesture for switching are detected based on Golay sequences of channel estimation fields of the packets.
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
165,529
1702.08235
Variational Inference using Implicit Distributions
Generative adversarial networks (GANs) have given us a great tool to fit implicit generative models to data. Implicit distributions are ones we can sample from easily, and take derivatives of samples with respect to model parameters. These models are highly expressive and we argue they can prove just as useful for vari...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
68,947
2010.04430
Large-scale randomized experiment reveals machine learning helps people learn and remember more effectively
Machine learning has typically focused on developing models and algorithms that would ultimately replace humans at tasks where intelligence is required. In this work, rather than replacing humans, we focus on unveiling the potential of machine learning to improve how people learn and remember factual material. To this ...
true
false
false
true
false
false
true
false
false
false
false
false
false
false
false
false
false
false
199,741
1206.6409
Scaling Up Coordinate Descent Algorithms for Large $\ell_1$ Regularization Problems
We present a generic framework for parallel coordinate descent (CD) algorithms that includes, as special cases, the original sequential algorithms Cyclic CD and Stochastic CD, as well as the recent parallel Shotgun algorithm. We introduce two novel parallel algorithms that are also special cases---Thread-Greedy CD and ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
16,944
2201.01819
Formal Analysis of Art: Proxy Learning of Visual Concepts from Style Through Language Models
We present a machine learning system that can quantify fine art paintings with a set of visual elements and principles of art. This formal analysis is fundamental for understanding art, but developing such a system is challenging. Paintings have high visual complexities, but it is also difficult to collect enough train...
false
false
false
false
false
false
true
false
true
false
false
true
false
false
false
false
false
false
274,357
2309.07990
Leveraging Contextual Information for Effective Entity Salience Detection
In text documents such as news articles, the content and key events usually revolve around a subset of all the entities mentioned in a document. These entities, often deemed as salient entities, provide useful cues of the aboutness of a document to a reader. Identifying the salience of entities was found helpful in sev...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
391,988
2303.13760
Multiple Access Design for Symbiotic Radios: Facilitating Massive IoT Connections with Cellular Networks
Symbiotic radio (SR) has emerged as a spectrum- and energy-efficient paradigm to support massive Internet of Things (IoT) connections. Two multiple access schemes are proposed in this paper to facilitate the massive IoT connections using the cellular network based on the SR technique, namely, the simultaneous access (S...
false
false
false
false
false
false
false
false
false
true
true
false
false
false
false
false
false
false
353,807
2402.01209
Solution of the Probabilistic Lambert's Problem: Optimal Transport Approach
The deterministic variant of the Lambert's problem was posed by Lambert in the 18th century and its solution for conic trajectory has been derived by many, including Euler, Lambert, Lagrange, Laplace, Gauss and Legendre. The solution amounts to designing velocity control for steering a spacecraft from a given initial t...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
425,915
2006.12618
A Bayesian incorporated linear non-Gaussian acyclic model for multiple directed graph estimation to study brain emotion circuit development in adolescence
Emotion perception is essential to affective and cognitive development which involves distributed brain circuits. The ability of emotion identification begins in infancy and continues to develop throughout childhood and adolescence. Understanding the development of brain's emotion circuitry may help us explain the emot...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
183,643
1909.04142
DaTscan SPECT Image Classification for Parkinson's Disease
Parkinson's Disease (PD) is a neurodegenerative disease that currently does not have a cure. In order to facilitate disease management and reduce the speed of symptom progression, early diagnosis is essential. The current clinical, diagnostic approach is to have radiologists perform human visual analysis of the degener...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
144,707
2208.01849
Coarse-to-Fine Knowledge-Enhanced Multi-Interest Learning Framework for Multi-Behavior Recommendation
Multi-types of behaviors (e.g., clicking, adding to cart, purchasing, etc.) widely exist in most real-world recommendation scenarios, which are beneficial to learn users' multi-faceted preferences. As dependencies are explicitly exhibited by the multiple types of behaviors, effectively modeling complex behavior depende...
false
false
false
false
true
true
false
false
false
false
false
false
false
false
false
false
false
false
311,295
2304.10075
Multiscale Representation for Real-Time Anti-Aliasing Neural Rendering
The rendering scheme in neural radiance field (NeRF) is effective in rendering a pixel by casting a ray into the scene. However, NeRF yields blurred rendering results when the training images are captured at non-uniform scales, and produces aliasing artifacts if the test images are taken in distant views. To address th...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
359,282
1903.02165
Camera Obscurer: Generative Art for Design Inspiration
We investigate using generated decorative art as a source of inspiration for design tasks. Using a visual similarity search for image retrieval, the \emph{Camera Obscurer} app enables rapid searching of tens of thousands of generated abstract images of various types. The seed for a visual similarity search is a given i...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
true
false
true
123,441
1909.00531
Improving Context-aware Neural Machine Translation with Target-side Context
In recent years, several studies on neural machine translation (NMT) have attempted to use document-level context by using a multi-encoder and two attention mechanisms to read the current and previous sentences to incorporate the context of the previous sentences. These studies concluded that the target-side context is...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
143,659
2409.11307
GS-Net: Generalizable Plug-and-Play 3D Gaussian Splatting Module
3D Gaussian Splatting (3DGS) integrates the strengths of primitive-based representations and volumetric rendering techniques, enabling real-time, high-quality rendering. However, 3DGS models typically overfit to single-scene training and are highly sensitive to the initialization of Gaussian ellipsoids, heuristically d...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
489,100
1304.2347
Process, Structure, and Modularity in Reasoning with Uncertainty
Computational mechanisms for uncertainty management must support interactive and incremental problem formulation, inference, hypothesis testing, and decision making. However, most current uncertainty inference systems concentrate primarily on inference, and provide no support for the larger issues. We present a computa...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
23,655
1711.07240
MegDet: A Large Mini-Batch Object Detector
The improvements in recent CNN-based object detection works, from R-CNN [11], Fast/Faster R-CNN [10, 31] to recent Mask R-CNN [14] and RetinaNet [24], mainly come from new network, new framework, or novel loss design. But mini-batch size, a key factor in the training, has not been well studied. In this paper, we propos...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
84,946
2104.14506
Explainable AI For COVID-19 CT Classifiers: An Initial Comparison Study
Artificial Intelligence (AI) has made leapfrogs in development across all the industrial sectors especially when deep learning has been introduced. Deep learning helps to learn the behaviour of an entity through methods of recognising and interpreting patterns. Despite its limitless potential, the mystery is how deep l...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
232,842
1203.4867
Multi-hop Analog Network Coding: An Amplify-and-Forward Approach
In this paper, we study the performance of an amplify-and-forward (AF) based analog network coding (ANC) relay scheme in a multi-hop wireless network under individual power constraints. In the first part, a unicast scenario is considered. The problem of finding the maximum achievable rate is formulated as an optimizati...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
15,063
1809.04317
Action Representations in Robotics: A Taxonomy and Systematic Classification
Understanding and defining the meaning of "action" is substantial for robotics research. This becomes utterly evident when aiming at equipping autonomous robots with robust manipulation skills for action execution. Unfortunately, to this day we still lack both a clear understanding of the concept of an action and a set...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
107,535