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The Session-Based Recommendation System aims to predict the user's next click based on their previous session sequence. The current studies generally learn user preferences according to the transitions of items in the user's session…

Information Retrieval · Computer Science 2023-10-06 Jinpeng Chen , Haiyang Li , Xudong Zhang , Fan Zhang , Senzhang Wang , Kaimin Wei , Jiaqi Ji

Session-based recommendation (SR) aims to dynamically recommend items to a user based on a sequence of the most recent user-item interactions. Most existing studies on SR adopt advanced deep learning methods. However, the majority only…

Information Retrieval · Computer Science 2024-01-17 Huizi Wu , Cong Geng , Hui Fang

Many previous studies aim to augment collaborative filtering with deep neural network techniques, so as to achieve better recommendation performance. However, most existing deep learning-based recommender systems are designed for modeling…

Information Retrieval · Computer Science 2022-03-29 Lianghao Xia , Chao Huang , Yong Xu , Peng Dai , Mengyin Lu , Liefeng Bo

The problem of session-based recommendation aims to predict user next actions based on session histories. Previous methods models session histories into sequences and estimate user latent features by RNN and GNN methods to make…

Information Retrieval · Computer Science 2020-08-07 Bo Huang , Ye Bi , Zhenyu Wu , Jianming Wang , Jing Xiao

Session-based recommendations have been widely adopted for various online video and E-commerce Websites. Most existing approaches are intuitively proposed to discover underlying interests or preferences out of the anonymous session data.…

Information Retrieval · Computer Science 2022-02-25 Liqi Yang , Linhan Luo , Lifeng Xin , Xiaofeng Zhang , Xinni Zhang

The goal of session-based recommendation (SR) models is to utilize the information from past actions (e.g. item/product clicks) in a session to recommend items that a user is likely to click next. Recently it has been shown that the…

Information Retrieval · Computer Science 2021-03-05 Priyanka Gupta , Diksha Garg , Pankaj Malhotra , Lovekesh Vig , Gautam Shroff

Session-based recommendation (SBR) methods often rely on user behavior data, which can struggle with the sparsity of session data, limiting performance. Researchers have identified that beyond behavioral signals, rich semantic information…

Information Retrieval · Computer Science 2025-04-15 Shutong Qiao , Wei Zhou , Junhao Wen , Chen Gao , Qun Luo , Peixuan Chen , Yong Li

Different from the traditional recommender system, the session-based recommender system introduces the concept of the session, i.e., a sequence of interactions between a user and multiple items within a period, to preserve the user's recent…

Information Retrieval · Computer Science 2021-07-12 Ruihong Qiu , Zi Huang , Jingjing Li , Hongzhi Yin

Session-based recommendation systems must capture implicit user intents from sessions. However, existing models suffer from issues such as item interaction dominance and noisy sessions. We propose a multi-channel recommendation model,…

Information Retrieval · Computer Science 2026-01-14 Jia-Xin He , Hung-Hsuan Chen

Session-based recommendation (SBR) is a challenging task, which aims at recommending items based on anonymous behavior sequences. Most existing SBR studies model the user preferences based only on the current session while neglecting the…

Information Retrieval · Computer Science 2021-06-02 Ziyang Wang , Wei Wei , Gao Cong , Xiao-Li Li , Xian-Ling Mao , Minghui Qiu , Shanshan Feng

Session-based recommendation (SBR) focuses on next-item prediction at a certain time point. As user profiles are generally not available in this scenario, capturing the user intent lying in the item transitions plays a pivotal role. Recent…

Information Retrieval · Computer Science 2022-03-01 Xin Xia , Hongzhi Yin , Junliang Yu , Qinyong Wang , Lizhen Cui , Xiangliang Zhang

Recommender systems aim to provide personalized services to users and are playing an increasingly important role in our daily lives. The key of recommender systems is to predict how likely users will interact with items based on their…

Information Retrieval · Computer Science 2022-04-26 Wenqi Fan , Xiaorui Liu , Wei Jin , Xiangyu Zhao , Jiliang Tang , Qing Li

Session-based recommendation (SBR) problem, which focuses on next-item prediction for anonymous users, has received increasingly more attention from researchers. Existing graph-based SBR methods all lack the ability to differentiate between…

Information Retrieval · Computer Science 2023-02-09 Yuan Cao , Xudong Zhang , Fan Zhang , Feifei Kou , Josiah Poon , Xiongnan Jin , Yongheng Wang , Jinpeng Chen

Session-based target behavior prediction aims to predict the next item to be interacted with specific behavior types (e.g., clicking). Although existing methods for session-based behavior prediction leverage powerful representation learning…

Information Retrieval · Computer Science 2021-04-09 Wen Wang , Wei Zhang , Shukai Liu , Qi Liu , Bo Zhang , Leyu Lin , Hongyuan Zha

Session-based Recommendation (SBR) aims to predict the next item a user will likely engage with, using their interaction sequence within an anonymous session. Existing SBR models often focus only on single-session information, ignoring…

Information Retrieval · Computer Science 2025-07-08 Jinpeng Chen , Jianxiang He , Huan Li , Senzhang Wang , Yuan Cao , Kaimin Wei , Zhenye Yang , Ye Ji

Session-based recommendation is a practical recommendation task that predicts the next item based on an anonymous behavior sequence, and its performance relies heavily on the transition information between items in the sequence. The SOTA…

Information Retrieval · Computer Science 2022-04-06 Ansong Li

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…

Information Retrieval · Computer Science 2022-08-01 Lianghao Xia , Chao Huang , Chuxu Zhang

Graph Neural Networks (GNN) have shown remarkable performance in different tasks. However, there are a few studies about GNN on recommender systems. GCN as a type of GNNs can extract high-quality embeddings for different entities in a…

Information Retrieval · Computer Science 2022-01-17 Taher Hekmatfar , Saman Haratizadeh , Parsa Razban , Sama Goliaei

Session-based recommendation aims to predict user's next behavior from current session and previous anonymous sessions. Capturing long-range dependencies between items is a vital challenge in session-based recommendation. A novel approach…

Information Retrieval · Computer Science 2021-02-04 Jun Fang

Recently, graph neural networks have shown the superiority of modeling the complex topological structures in heterogeneous network-based recommender systems. Due to the diverse interactions among nodes and abundant semantics emerging from…

Machine Learning · Computer Science 2022-08-04 Tiankai Gu , Chaokun Wang , Cheng Wu , Jingcao Xu , Yunkai Lou , Changping Wang , Kai Xu , Can Ye , Yang Song