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Recommender System (RS) provides personalized recommendation service based on user interest. However, lots of users' interests are sparse due to lacking consumption behaviors, making it challenging to provide accurate recommendations for…

Information Retrieval · Computer Science 2025-09-24 Peng Liu , Nian Wang , Cong Xu , Ming Zhao , Bin Wang , Yi Ren

Recently, substantial research has been conducted on sequential recommendation, with the objective of forecasting the subsequent item by leveraging a user's historical sequence of interacted items. Prior studies employ both capsule networks…

Information Retrieval · Computer Science 2025-05-01 Zhikai Wang , Yanyan Shen

Sequential recommendation aims to capture user preferences by modeling sequential patterns in user-item interactions. However, these models are often influenced by noise such as accidental interactions, leading to suboptimal performance.…

Information Retrieval · Computer Science 2025-10-07 Tongzhou Wu , Yuhao Wang , Maolin Wang , Chi Zhang , Xiangyu Zhao

Sequential recommendation aims to leverage users' historical behaviors to predict their next interaction. Existing works have not yet addressed two main challenges in sequential recommendation. First, user behaviors in their rich historical…

Information Retrieval · Computer Science 2023-07-27 Jianxin Chang , Chen Gao , Yu Zheng , Yiqun Hui , Yanan Niu , Yang Song , Depeng Jin , Yong Li

Modeling user preference from his historical sequences is one of the core problems of sequential recommendation. Existing methods in this field are widely distributed from conventional methods to deep learning methods. However, most of them…

Information Retrieval · Computer Science 2021-07-28 Mengqi Zhang , Shu Wu , Xueli Yu , Qiang Liu , Liang Wang

Users prefer diverse recommendations over homogeneous ones. However, most previous work on Sequential Recommenders does not consider diversity, and strives for maximum accuracy, resulting in homogeneous recommendations. In this paper, we…

Information Retrieval · Computer Science 2020-08-04 Anton Steenvoorden , Emanuele Di Gloria , Wanyu Chen , Pengjie Ren , Maarten de Rijke

Personalized recommender systems aim to predict users' preferences for items. It has become an indispensable part of online services. Online social platforms enable users to form groups based on their common interests. The users' group…

Information Retrieval · Computer Science 2023-11-17 Xiaolong Liu , Liangwei Yang , Zhiwei Liu , Xiaohan Li , Mingdai Yang , Chen Wang , Philip S. Yu

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…

Information Retrieval · Computer Science 2021-03-17 Bairan Fu , Wenming Zhang , Guangneng Hu , Xinyu Dai , Shujian Huang , Jiajun Chen

Recommender systems aim to provide personalized item recommendations by capturing user behaviors derived from their interaction history. Considering that user interactions naturally occur sequentially based on users' intents in mind, user…

Information Retrieval · Computer Science 2025-01-14 Yijin Choi , Chiehyeon Lim

Traditional recommendation methods rely on correlating the embedding vectors of item IDs to capture implicit collaborative filtering signals to model the user's interest in the target item. Consequently, traditional ID-based methods often…

Information Retrieval · Computer Science 2025-08-22 Moyu Zhang , Yongxiang Tang , Yujun Jin , Jinxin Hu , Yu Zhang

Sequential recommendation aims at understanding user preference by capturing successive behavior correlations, which are usually represented as the item purchasing sequences based on their past interactions. Existing efforts generally…

Information Retrieval · Computer Science 2024-01-23 Yifang Qin , Wei Ju , Hongjun Wu , Xiao Luo , Ming Zhang

Modeling users' dynamic preferences from historical behaviors lies at the core of modern recommender systems. Due to the diverse nature of user interests, recent advances propose the multi-interest networks to encode historical behaviors…

Information Retrieval · Computer Science 2022-07-19 Zhaocheng Liu , Yingtao Luo , Di Zeng , Qiang Liu , Daqing Chang , Dongying Kong , Zhi Chen

Precise user modeling is critical for online personalized recommendation services. Generally, users' interests are diverse and are not limited to a single aspect, which is particularly evident when their behaviors are observed for a longer…

Information Retrieval · Computer Science 2021-05-19 Jianxun Lian , Iyad Batal , Zheng Liu , Akshay Soni , Eun Yong Kang , Yajun Wang , Xing Xie

Modeling holistic user interests is important for improving recommendation systems but is challenged by high computational cost and difficulty in handling diverse information with full behavior context. Existing search-based methods might…

Information Retrieval · Computer Science 2025-04-10 Yong Bai , Rui Xiang , Kaiyuan Li , Yongxiang Tang , Yanhua Cheng , Xialong Liu , Peng Jiang , Kun Gai

With the rapid increase of micro-video creators and viewers, how to make personalized recommendations from a large number of candidates to viewers begins to attract more and more attention. However, existing micro-video recommendation…

Information Retrieval · Computer Science 2022-05-20 Beibei Li , Beihong Jin , Jiageng Song , Yisong Yu , Yiyuan Zheng , Wei Zhuo

Feed recommendation is currently the mainstream mode for many real-world applications (e.g., TikTok, Dianping), it is usually necessary to model and predict user interests in multiple scenarios (domains) within and even outside the…

Information Retrieval · Computer Science 2024-04-16 Dongbo Xi , Zhen Chen , Yuexian Wang , He Cui , Chong Peng , Fuzhen Zhuang , Peng Yan

The explosively generated micro-videos on content sharing platforms call for recommender systems to permit personalized micro-video discovery with ease. Recent advances in micro-video recommendation have achieved remarkable performance in…

Information Retrieval · Computer Science 2021-10-11 Yujie Lu , Yingxuan Huang , Shengyu Zhang , Wei Han , Hui Chen , Zhou Zhao , Fei Wu

Sequential recommendation aims at identifying the next item that is preferred by a user based on their behavioral history. Compared to conventional sequential models that leverage attention mechanisms and RNNs, recent efforts mainly follow…

Information Retrieval · Computer Science 2022-05-04 Yu Tian , Jianxin Chang , Yannan Niu , Yang Song , Chenliang Li

With the rapid development of E-commerce and the increase in the quantity of items, users are presented with more items hence their interests broaden. It is increasingly difficult to model user intentions with traditional methods, which…

Information Retrieval · Computer Science 2021-03-24 Junmei Hao , Jingcheng Shi , Qing Da , Anxiang Zeng , Yujie Dun , Xueming Qian , Qianying Lin

Sequential recommendation models often struggle to capture latent periodic patterns in user interests, primarily due to the noise inherent in time-domain behavioral data. While frequency-domain analysis offers a global perspective to…

Information Retrieval · Computer Science 2026-05-05 Zenan Dai , Jinpeng Wang , Junwei Pan , Dapeng Liu , Lei Xiao , Shu-Tao Xia