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In modern recommender systems, sequential recommendation leverages chronological user behaviors to make effective next-item suggestions, which suffers from data sparsity issues, especially for new users. One promising line of work is the…

Information Retrieval · Computer Science 2023-11-15 Guanyu Lin , Chen Gao , Yu Zheng , Jianxin Chang , Yanan Niu , Yang Song , Kun Gai , Zhiheng Li , Depeng Jin , Yong Li , Meng Wang

While Conversational Recommender Systems (CRS) have matured technically, they frequently lack principled methods for encoding latent experiential aims as adaptive state variables. Consequently, contemporary architectures often prioritise…

Human-Computer Interaction · Computer Science 2026-01-13 Raj Mahmud , Shlomo Berkovsky , Mukesh Prasad , A. Baki Kocaballi

Sequential recommendation models the dynamics of a user's previous behaviors in order to forecast the next item, and has drawn a lot of attention. Transformer-based approaches, which embed items as vectors and use dot-product self-attention…

Information Retrieval · Computer Science 2022-03-08 Ziwei Fan , Zhiwei Liu , Alice Wang , Zahra Nazari , Lei Zheng , Hao Peng , Philip S. Yu

Traditional recommender systems primarily leverage identity-based (ID) representations for users and items, while the advent of pre-trained language models (PLMs) has introduced rich semantic modeling of item descriptions. However, PLMs…

Information Retrieval · Computer Science 2024-02-15 Chen Wang , Liangwei Yang , Zhiwei Liu , Xiaolong Liu , Mingdai Yang , Yueqing Liang , Philip S. Yu

This paper proposes a novel study on personality recognition using video data from different scenarios. Our goal is to jointly model nonverbal behavioral cues with contextual information for a robust, multi-scenario, personality recognition…

Computer Vision and Pattern Recognition · Computer Science 2019-10-16 Dario Dotti , Mirela Popa , Stylianos Asteriadis

The timeline of computer vision research is marked with advances in learning and utilizing efficient contextual representations. Most of them, however, are targeted at improving model performance on a single downstream task. We consider a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 David Bruggemann , Menelaos Kanakis , Anton Obukhov , Stamatios Georgoulis , Luc Van Gool

Recommender systems, while a powerful decision making tool, are often operationalized as black box models, such that their AI algorithms are not accessible or interpretable by human operators. This in turn can cause confusion and…

Human-Computer Interaction · Computer Science 2024-09-18 Divya Srivastava , Karen M. Feigh

Personalization is central to human-AI interaction, yet current diffusion-based image generation systems remain largely insensitive to user diversity. Existing attempts to address this often rely on costly paired preference data or…

Information Retrieval · Computer Science 2025-11-27 Gabriel Patron , Zhiwei Xu , Ishan Kapnadak , Felipe Maia Polo

Exposure bias is a well-known issue in recommender systems where items and suppliers are not equally represented in the recommendation results. This is especially problematic when bias is amplified over time as a few items (e.g., popular…

Information Retrieval · Computer Science 2022-09-07 Masoud Mansoury , Bamshad Mobasher , Herke van Hoof

Conversational recommendation system (CRS) is able to obtain fine-grained and dynamic user preferences based on interactive dialogue. Previous CRS assumes that the user has a clear target item. However, for many users who resort to CRS,…

Information Retrieval · Computer Science 2022-02-08 Yiming Zhang , Lingfei Wu , Qi Shen , Yitong Pang , Zhihua Wei , Fangli Xu , Bo Long , Jian Pei

In recommender systems, multi-behavior methods have demonstrated their effectiveness in mitigating issues like data sparsity, a common challenge in traditional single-behavior recommendation approaches. These methods typically infer user…

Information Retrieval · Computer Science 2024-04-30 Mingshi Yan , Fan Liu , Jing Sun , Fuming Sun , Zhiyong Cheng , Yahong Han

Human keypoint detection from a single image is very challenging due to occlusion, blur, illumination and scale variance of person instances. In this paper, we find that context information plays an important role in addressing these…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Jing Zhang , Zhe Chen , Dacheng Tao

Session-based recommender systems aim to improve recommendations in short-term sessions that can be found across many platforms. A critical challenge is to accurately model user intent with only limited evidence in these short sessions. For…

Information Retrieval · Computer Science 2021-12-30 Jianling Wang , Kaize Ding , Ziwei Zhu , James Caverlee

Contemporary sequential recommendation methods are becoming more complex, shifting from classification to a diffusion-guided generative paradigm. However, the quality of guidance in the form of user information is often compromised by…

Information Retrieval · Computer Science 2026-02-16 Qilong Yan , Yifei Xing , Dugang Liu , Jingpu Duan , Jian Yin

Sequential recommendation refers to recommending the next item of interest for a specific user based on his/her historical behavior sequence up to a certain time. While previous research has extensively examined Markov chain-based…

Information Retrieval · Computer Science 2025-01-06 DongYu Du , Yue Chan

Social recommendation system is to predict unobserved user-item rating values by taking advantage of user-user social relation and user-item ratings. However, user/item diversities in social recommendations are not well utilized in the…

Artificial Intelligence · Computer Science 2020-11-17 Dongsheng Luo , Yuchen Bian , Xiang Zhang , Jun Huan

Recent advances in correlation-based sequential recommendation systems have demonstrated substantial success. Specifically, the attention-based model outperforms other RNN-based and Markov chains-based models by capturing both short- and…

Information Retrieval · Computer Science 2025-10-27 Yunbo Hou , Tianle Yang , Ruijie Li , Li He , Liang Wang , Weiping Li , Bo Zheng , Guojie Song

It is well-known that visual attention can be tuned in a context-dependent manner to elementary features, such as searching for all redder items or the reddest item, supporting a relational theory of visual attention. However, in previous…

Neurons and Cognition · Quantitative Biology 2023-01-10 Zachary Hamblin-Frohman , Koralalage Don Raveen Amarasekera , Stefanie I. Becker

Sequential recommender systems identify user preferences from their past interactions to predict subsequent items optimally. Although traditional deep-learning-based models and modern transformer-based models in previous studies capture…

Information Retrieval · Computer Science 2024-02-20 Hansol Jung , Hyunwoo Seo , Chiehyeon Lim

Conversational recommender systems aim to provide personalized recommendations by analyzing and utilizing contextual information related to dialogue. However, existing methods typically model the dialogue context as a whole, neglecting the…

Information Retrieval · Computer Science 2025-04-25 Guojia An , Jie Zou , Jiwei Wei , Chaoning Zhang , Fuming Sun , Yang Yang