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The proliferation of AI-powered search engines has shifted information discovery from traditional link-based retrieval to direct answer generation with selective source citation, creating new challenges for content visibility. While…

计算与语言 · 计算机科学 2026-04-01 Junwei Yu , Mufeng Yang , Yepeng Ding , Hiroyuki Sato

Flow Matching has emerged as a powerful framework for learning continuous transformations between distributions, enabling high-fidelity generative modeling. This work introduces Symmetrical Flow Matching (SymmFlow), a new formulation that…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Francisco Caetano , Christiaan Viviers , Peter H. N. De With , Fons van der Sommen

Topic modeling is a Natural Language Processing (NLP) technique used to discover latent themes and abstract topics from text corpora by grouping co-occurring keywords. Although widely researched in English, topic modeling remains…

计算与语言 · 计算机科学 2026-03-31 Farhana Haque , Md. Abdur Rahman , Sumon Ahmed

Recent advances in language models opened new opportunities to address complex schema matching tasks. Schema matching approaches have been proposed that demonstrate the usefulness of language models, but they have also uncovered important…

数据库 · 计算机科学 2025-06-18 Yurong Liu , Eduardo Pena , Aecio Santos , Eden Wu , Juliana Freire

Reinforcement Learning from Human Feedback (RLHF) has greatly improved the performance of modern Large Language Models (LLMs). The RLHF process is resource-intensive and technically challenging, generally requiring a large collection of…

Recent advances in large language models (LLMs) have provided new opportunities for decision-making, particularly in the task of automated feature selection. In this paper, we first comprehensively evaluate LLM-based feature selection…

机器学习 · 计算机科学 2025-12-12 Jianhao Li , Xianchao Xiu

With the advantage of low storage cost and high retrieval efficiency, hashing techniques have recently been an emerging topic in cross-modal similarity search. As multiple modal data reflect similar semantic content, many researches aim at…

机器学习 · 计算机科学 2019-04-19 Jun Yu , Xiao-Jun Wu , Josef Kittler

Various Non-negative Matrix factorization (NMF) based methods add new terms to the cost function to adapt the model to specific tasks, such as clustering, or to preserve some structural properties in the reduced space (e.g., local…

In recent years, multi-view multi-label learning (MVML) has attracted extensive attention due to its close alignment to real-world scenarios. Information-theoretic methods have gained prominence for learning nonlinear correlations. However,…

机器学习 · 计算机科学 2026-03-04 Cheng Peng , Yonghao Li , Wanfu Gao , Jie Wen , Weiping Ding

Formative assessment in STEM topics aims to promote student learning by identifying students' current understanding, thus targeting how to promote further learning. Previous studies suggest that the assessment performance of current…

机器学习 · 计算机科学 2025-04-08 Yuchen Wei , Dennis Pearl , Matthew Beckman , Rebecca J. Passonneau

Recent advancements have highlighted the efficacy of self-supervised learning (SSL) features in various speech-related tasks, providing lightweight and versatile multi-view speech representations. However, our study reveals that while SSL…

音频与语音处理 · 电气工程与系统科学 2025-01-15 Weiqiao Shan , Yuhao Zhang , Yuchen Han , Bei Li , Xiaofeng Zhao , Yuang Li , Min Zhang , Hao Yang , Tong Xiao , Jingbo Zhu

Teaching large language models (LLMs) to use tools for solving complex problems can grant them human-like reasoning abilities. ReAct and its variants are popular frameworks for tool use in both single-agent and multi-agent systems. To…

计算与语言 · 计算机科学 2025-06-17 Junzhi Chen , Juhao Liang , Benyou Wang

A Multiple Target, Multiple Type Filtering (MTMTF) algorithm is developed using Random Finite Set (RFS) theory. First, we extend the standard Probability Hypothesis Density (PHD) filter for multiple types of targets, each with distinct…

应用统计 · 统计学 2019-02-06 Nathanael L. Baisa , Andrew Wallace

Synthetic tabular data generation has received increasing attention in recent years, particularly with the emergence of foundation models for tabular data. The breakthrough success of TabPFN (Hollmann et al.,2025), which leverages vast…

机器学习 · 计算机科学 2025-07-08 Frederik Hoppe , Astrid Franz , Lars Kleinemeier , Udo Göbel

In semi-supervised segmentation, capturing meaningful semantic structures from unlabeled data is essential. This is particularly challenging in histopathology image analysis, where objects are densely distributed. To address this issue, we…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Meilong Xu , Xiaoling Hu , Shahira Abousamra , Chen Li , Chao Chen

Geometric information in the normalized digital surface models (nDSM) is highly correlated with the semantic class of the land cover. Exploiting two modalities (RGB and nDSM (height)) jointly has great potential to improve the segmentation…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Zhitong Xiong , Sining Chen , Yi Wang , Lichao Mou , Xiao Xiang Zhu

Reinforcement learning is a promising paradigm for solving sequential decision-making problems, but low data efficiency and weak generalization across tasks are bottlenecks in real-world applications. Model-based meta reinforcement learning…

机器学习 · 计算机科学 2021-02-17 Qi Wang , Herke van Hoof

It is expensive and time-consuming to collect sufficient labeled data to build human activity recognition (HAR) models. Training on existing data often makes the model biased towards the distribution of the training data, thus the model…

人工智能 · 计算机科学 2022-06-15 Wang Lu , Jindong Wang , Yiqiang Chen , Sinno Jialin Pan , Chunyu Hu , Xin Qin

Graph Neural Networks (GNNs) have been shown as promising solutions for collaborative filtering (CF) with the modeling of user-item interaction graphs. The key idea of existing GNN-based recommender systems is to recursively perform the…

信息检索 · 计算机科学 2022-08-01 Lianghao Xia , Chao Huang , Chuxu Zhang

Federated learning is a new framework that protects data privacy and allows multiple devices to cooperate in training machine learning models. Previous studies have proposed multiple approaches to eliminate the challenges posed by non-iid…

机器学习 · 计算机科学 2025-01-13 Shunxin Guo , Hongsong Wang , Shuxia Lin , Xu Yang , Xin Geng