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Previous group activity recognition approaches were limited to reasoning using human relations or finding important subgroups and tended to ignore indispensable group composition and human-object interactions. This absence makes a partial…

计算机视觉与模式识别 · 计算机科学 2023-05-10 Youliang Zhang , Zhuo Zhou , Wenxuan Liu , Danni Xu , Zheng Wang

This work introduces a novel principle we call disentanglement via mechanism sparsity regularization, which can be applied when the latent factors of interest depend sparsely on past latent factors and/or observed auxiliary variables. We…

Existing methods for multi-modal time series representation learning aim to disentangle the modality-shared and modality-specific latent variables. Although achieving notable performances on downstream tasks, they usually assume an…

机器学习 · 计算机科学 2024-05-28 Ruichu Cai , Zhifang Jiang , Zijian Li , Weilin Chen , Xuexin Chen , Zhifeng Hao , Yifan Shen , Guangyi Chen , Kun Zhang

From the intuitive notion of disentanglement, the image variations corresponding to different factors should be distinct from each other, and the disentangled representation should reflect those variations with separate dimensions. To…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Xuanchi Ren , Tao Yang , Yuwang Wang , Wenjun Zeng

Conventional sequential recommendation models have achieved remarkable success in mining implicit behavioral patterns. However, these architectures remain structurally blind to explicit user intent: they struggle to adapt when a user's…

信息检索 · 计算机科学 2026-03-06 Fuyuan Lyu , Chenglin Luo , Qiyuan Zhang , Yupeng Hou , Haolun Wu , Xing Tang , Xue Liu , Jin L. C. Guo , Xiuqiang He

Sequential Recommendation (SRs) that capture users' dynamic intents by modeling user sequential behaviors can recommend closely accurate products to users. Previous work on SRs is mostly focused on optimizing the recommendation accuracy,…

信息检索 · 计算机科学 2019-08-28 Wanyu Chen , Pengjie Ren , Fei Cai , Maarten de Rijke

Providing user-understandable explanations to justify recommendations could help users better understand the recommended items, increase the system's ease of use, and gain users' trust. A typical approach to realize it is natural language…

信息检索 · 计算机科学 2023-01-16 Lei Li , Yongfeng Zhang , Li Chen

This paper explores self-supervised disentangled representation learning within sequential data, focusing on separating time-independent and time-varying factors in videos. We propose a new model that breaks the usual independence…

机器学习 · 计算机科学 2024-08-13 Mathieu Cyrille Simon , Pascal Frossard , Christophe De Vleeschouwer

Social recommendation is effective in improving the recommendation performance by leveraging social relations from online social networking platforms. Social relations among users provide friends' information for modeling users' interest in…

信息检索 · 计算机科学 2021-03-17 Bairan Fu , Wenming Zhang , Guangneng Hu , Xinyu Dai , Shujian Huang , Jiajun Chen

Disentangled representation learning aims to capture the underlying explanatory factors of observed data, enabling a principled understanding of the data-generating process. Recent advances in generative modeling have introduced new…

机器学习 · 计算机科学 2026-05-12 Jinjin Chi , Taoping Liu , Mengtao Yin , Ximing Li , Yongcheng Jing , Jialie Shen , Leszek Rutkowski , Dacheng Tao

Recent recommender system advancements have focused on developing sequence-based and graph-based approaches. Both approaches proved useful in modeling intricate relationships within behavioral data, leading to promising outcomes in…

信息检索 · 计算机科学 2024-03-18 Vladimir Baikalov , Evgeny Frolov

Through exposing items to users, implicit feedback recommender systems influence the logged interactions, and, ultimately, their own recommendations. This effect is called exposure bias and it can lead to issues such as filter bubbles and…

信息检索 · 计算机科学 2024-09-23 Thorsten Krause , Alina Deriyeva , Jan Heinrich Beinke , Gerrit York Bartels , Oliver Thomas

The advancements in disentangled representation learning significantly enhance the accuracy of counterfactual predictions by granting precise control over instrumental variables, confounders, and adjustable variables. An appealing method…

机器学习 · 计算机科学 2024-06-17 Xinshu Li , Mingming Gong , Lina Yao

In recent years, dual-target Cross-Domain Recommendation (CDR) has been proposed to capture comprehensive user preferences in order to ultimately enhance the recommendation accuracy in both data-richer and data-sparser domains…

信息检索 · 计算机科学 2025-05-23 Jiajie Zhu , Yan Wang , Feng Zhu , Zhu Sun

Conversation disentanglement aims to group utterances into detached sessions, which is a fundamental task in processing multi-party conversations. Existing methods have two main drawbacks. First, they overemphasize pairwise utterance…

计算与语言 · 计算机科学 2024-09-04 Chengyu Huang , Zheng Zhang , Hao Fei , Lizi Liao

In this study, Disentanglement in Difference(DiD) is proposed to address the inherent inconsistency between the statistical independence of latent variables and the goal of semantic disentanglement in disentanglement representation…

机器学习 · 计算机科学 2025-04-04 Xingshen Zhang , Lin Wang , Shuangrong Liu , Xintao Lu , Chaoran Pang , Bo Yang

The process of generating data such as images is controlled by independent and unknown factors of variation. The retrieval of these variables has been studied extensively in the disentanglement, causal representation learning, and…

机器学习 · 计算机科学 2023-09-26 Gaël Gendron , Michael Witbrock , Gillian Dobbie

Clothes-changing person re-identification (CC-ReID) aims to recognize individuals under different clothing scenarios. Current CC-ReID approaches either concentrate on modeling body shape using additional modalities including silhouette,…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Xin Liang , Yogesh S Rawat

Cross-Domain Sequential Recommendation (CDSR) aims to en-hance recommendation quality by transferring knowledge across domains, offering effective solutions to data sparsity and cold-start issues. However, existing methods face three major…

信息检索 · 计算机科学 2026-04-10 Xingzi Wang , Qingtian Bian , Hui Fang

Session-based recommendation (SR) models aim to recommend items to anonymous users based on their behavior during the current session. While various SR models in the literature utilize item sequences to predict the next item, they often…

信息检索 · 计算机科学 2025-08-29 Jyoti Narwariya , Priyanka Gupta , Muskan Gupta , Jyotsana Khatri , Lovekesh Vig