中文
相关论文

相关论文: TADO: Time-varying Attention with Dual-Optimizer M…

200 篇论文

Predicting missing facts for temporal knowledge graphs (TKGs) is a fundamental task, called temporal knowledge graph completion (TKGC). One key challenge in this task is the imbalance in data distribution, where facts are unevenly spread…

机器学习 · 计算机科学 2025-01-03 Jiasheng Zhang , Deqiang Ouyang , Shuang Liang , Jie Shao

Negative user preference is an important context that is not sufficiently utilized by many existing recommender systems. This context is especially useful in scenarios where the cost of negative items is high for the users. In this work, we…

信息检索 · 计算机科学 2021-02-19 Bibek Paudel , Sandro Luck , Abraham Bernstein

This study proposes a text classification algorithm based on large language models, aiming to address the limitations of traditional methods in capturing long-range dependencies, understanding contextual semantics, and handling class…

计算与语言 · 计算机科学 2025-12-11 Ning Lyu , Yuxi Wang , Feng Chen , Qingyuan Zhang

Learning-to-rank (LTR) algorithms are ubiquitous and necessary to explore the extensive catalogs of media providers. To avoid the user examining all the results, its preferences are used to provide a subset of relatively small size. The…

This paper addresses the problem of Target Activity Detection (TAD) for binaural listening devices. TAD denotes the problem of robustly detecting the activity of a target speaker in a harsh acoustic environment, which comprises interfering…

声音 · 计算机科学 2016-12-21 Daniel Gerber , Stefan Meier , Walter Kellermann

Preference optimization is crucial for aligning large language models (LLMs) with human values and intentions. A significant challenge in this process is the distribution mismatch between pre-collected offline preference data and the…

计算与语言 · 计算机科学 2026-03-02 Junming Yang , Ning Xu , Biao Liu , Shiqi Qiao , Xin Geng

Autonomous robots are increasingly utilized in realistic scenarios with multiple complex tasks. In these scenarios, there may be a preferred way of completing all of the given tasks, but it is often in conflict with optimal execution.…

机器人学 · 计算机科学 2023-06-26 Peter Amorese , Morteza Lahijanian

Recent advancements in Retrieval-Augmented Language Models (RALMs) have demonstrated their efficacy in knowledge-intensive tasks. However, existing evaluation benchmarks often assume a single optimal approach to leveraging retrieved…

计算与语言 · 计算机科学 2025-05-26 Peilin Wu , Xinlu Zhang , Wenhao Yu , Xingyu Liu , Xinya Du , Zhiyu Zoey Chen

Using effective generalization capabilities of vision language models (VLMs) in context-specific dynamic tasks for embodied artificial intelligence remains a significant challenge. Although supervised fine-tuned models can better align with…

人工智能 · 计算机科学 2025-09-11 Kechen Jiao , Zhirui Fang , Jiahao Liu , Bei Li , Qifan Wang , Xinyu Liu , Junhao Ruan , Zhongjian Qiao , Yifan Zhu , Yaxin Xu , Jingang Wang , Xiu Li

Aligning Large Language Models (LLMs) with human preferences is critical, yet traditional fine-tuning methods are computationally expensive and inflexible. While test-time alignment offers a promising alternative, existing approaches often…

人工智能 · 计算机科学 2026-01-16 Tiesunlong Shen , Rui Mao , Jin Wang , Heming Sun , Jian Zhang , Xuejie Zhang , Erik Cambria

Test-time adaptation (TTA) offers a compelling remedy for machine learning (ML) models that degrade under domain shifts, improving generalisation on-the-fly with only unlabelled samples. This flexibility suits real deployments, yet…

机器学习 · 计算机科学 2026-02-09 Sudarshan Sreeram , Young D. Kwon , Cecilia Mascolo

Social-based recommendation systems exploit the selections of friends to combat the data sparsity on user preferences, and improve the recommendation accuracy of the collaborative filtering strategy. The main challenge is to capture and…

信息检索 · 计算机科学 2019-07-04 Dimitrios Rafailidis , Gerhard Weiss

Feedforward neural networks are widely used as universal predictive models to fit data distribution. Common gradient-based learning, however, suffers from many drawbacks making the training process ineffective and time-consuming.…

机器学习 · 计算机科学 2021-07-06 Grzegorz Dudek

Accurately modeling user preferences is crucial for improving the performance of content-based recommender systems. Existing approaches often rely on simplistic user profiling methods, such as averaging or concatenating item embeddings,…

信息检索 · 计算机科学 2025-08-13 Milad Sabouri , Masoud Mansoury , Kun Lin , Bamshad Mobasher

Direct Preference Optimization (DPO) has been widely adopted for large language model alignment due to its simple training procedure and lack of an explicit reward model. However, in iterative DPO, when the policy model from the previous…

信息检索 · 计算机科学 2026-05-25 Lingling Fu , Yongfu Xu

Currently successful methods for video description are based on encoder-decoder sentence generation using recur-rent neural networks (RNNs). Recent work has shown the advantage of integrating temporal and/or spatial attention mechanisms…

计算机视觉与模式识别 · 计算机科学 2017-03-13 Chiori Hori , Takaaki Hori , Teng-Yok Lee , Kazuhiro Sumi , John R. Hershey , Tim K. Marks

Sequential recommendation (SR) is widely deployed in e-commerce platforms, streaming services, etc., revealing significant potential to enhance user experience. However, existing methods often overlook two critical factors: irregular user…

信息检索 · 计算机科学 2025-11-25 Haoyan Fu , Zhida Qin , Shixiao Yang , Haoyao Zhang , Bin Lu , Shuang Li , Tianyu Huang , John C. S. Lui

Audio-visual emotion recognition (AVER) methods typically fuse utterance-level features, and even frame-level attention models seldom address the frame-rate mismatch across modalities. In this paper, we propose a Transformer-based framework…

多媒体 · 计算机科学 2026-03-13 Inyong Koo , yeeun Seong , Minseok Son , Jaehyuk Jang , Changick Kim

Recent flow matching models for text-to-image generation have achieved remarkable quality, yet their integration with reinforcement learning for human preference alignment remains suboptimal, hindering fine-grained reward-based…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Xiaoxuan He , Siming Fu , Yuke Zhao , Wanli Li , Jian Yang , Dacheng Yin , Fengyun Rao , Bo Zhang

Anomalous audio in speech recordings is often caused by speaker voice distortion, external noise, or even electric interferences. These obstacles have become a serious problem in some fields, such as high-quality music mixing and speech…

音频与语音处理 · 电气工程与系统科学 2021-02-11 Qiang Huang , Thomas Hain