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Related papers: Dataset Condensation for Recommendation

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To prevent unintentional data leakage, research community has resorted to data generators that can produce differentially private data for model training. However, for the sake of the data privacy, existing solutions suffer from either…

Cryptography and Security · Computer Science 2022-06-02 Tian Dong , Bo Zhao , Lingjuan Lyu

Generating recommendations based on user-item interactions and user-user social relations is a common use case in web-based systems. These connections can be naturally represented as graph-structured data and thus utilizing graph neural…

Information Retrieval · Computer Science 2022-05-23 Jiajia Chen , Xin Xin , Xianfeng Liang , Xiangnan He , Jun Liu

User-item interaction histories are pivotal for sequential recommendation systems but often include noise, such as unintended clicks or actions that fail to reflect genuine user preferences. To address this, we propose Learned Item…

Information Retrieval · Computer Science 2025-11-27 Haidong Xin , Zhenghao Liu , Sen Mei , Yukun Yan , Shi Yu , Shuo Wang , Zulong Chen , Yu Gu , Ge Yu , Chenyan Xiong

Sequential Recommendation is a prominent topic in current research, which uses user behavior sequence as an input to predict future behavior. By assessing the correlation strength of historical behavior through the dot product, the model…

Information Retrieval · Computer Science 2023-02-23 Jiayi Chen , Wen Wu , Liye Shi , Yu Ji , Wenxin Hu , Xi Chen , Wei Zheng , Liang He

Group recommendation aims to recommend tailored items to groups of users, where the key challenge is modeling a consensus that reflects member preferences. Although several existing deep learning models have achieved performance…

Information Retrieval · Computer Science 2026-02-27 Soyoung Kim , Dongjun Lee , Jaekwang Kim

Recommender systems typically retrieve items from an item corpus for personalized recommendations. However, such a retrieval-based recommender paradigm faces two limitations: 1) the human-generated items in the corpus might fail to satisfy…

Information Retrieval · Computer Science 2024-02-27 Wenjie Wang , Xinyu Lin , Fuli Feng , Xiangnan He , Tat-Seng Chua

Benefiting from the strong reasoning capabilities, Large language models (LLMs) have demonstrated remarkable performance in recommender systems. Various efforts have been made to distill knowledge from LLMs to enhance collaborative models,…

Information Retrieval · Computer Science 2024-12-24 Xihong Yang , Heming Jing , Zixing Zhang , Jindong Wang , Huakang Niu , Shuaiqiang Wang , Yu Lu , Junfeng Wang , Dawei Yin , Xinwang Liu , En Zhu , Defu Lian , Erxue Min

This paper presents ReasoningRec, a reasoning-based recommendation framework that leverages Large Language Models (LLMs) to bridge the gap between recommendations and human-interpretable explanations. In contrast to conventional…

Information Retrieval · Computer Science 2024-10-31 Millennium Bismay , Xiangjue Dong , James Caverlee

Knowledge-based recommendation models effectively alleviate the data sparsity issue leveraging the side information in the knowledge graph, and have achieved considerable performance. Nevertheless, the knowledge graphs used in previous…

Information Retrieval · Computer Science 2024-03-28 Shenghao Yang , Weizhi Ma , Peijie Sun , Min Zhang , Qingyao Ai , Yiqun Liu , Mingchen Cai

Modern recommendation systems typically follow two complementary paradigms: collaborative filtering, which models long-term user preferences from historical interactions, and conversational recommendation systems (CRS), which interact with…

Information Retrieval · Computer Science 2025-06-24 Vinaik Chhetri , Yousaf Reza , Moghis Fereidouni , Srijata Maji , Umar Farooq , AB Siddique

Recommender systems have long been built upon the modeling of interactions between users and items, while recent studies have sought to broaden this paradigm by generalizing to new users and items, incorporating diverse information sources,…

Information Retrieval · Computer Science 2025-10-28 Chanyoung Chung , Kyeongryul Lee , Sunbin Park , Joyce Jiyoung Whang

Inspired by advances in LLMs, reasoning-enhanced sequential recommendation performs multi-step deliberation before making final predictions, unlocking greater potential for capturing user preferences. However, current methods are…

Information Retrieval · Computer Science 2025-12-17 Yifan Shao , Peilin Zhou , Shoujin Wang , Weizhi Zhang , Xu Cai , Sunghun Kim

Sequential recommendation demonstrates the capability to recommend items by modeling the sequential behavior of users. Traditional methods typically treat users as sequences of items, overlooking the collaborative relationships among them.…

Information Retrieval · Computer Science 2023-08-15 Sijia Liu , Jiahao Liu , Hansu Gu , Dongsheng Li , Tun Lu , Peng Zhang , Ning Gu

To alleviate the problem of information explosion, recommender systems are widely deployed to provide personalized information filtering services. Usually, embedding tables are employed in recommender systems to transform high-dimensional…

Information Retrieval · Computer Science 2024-08-07 Shiwei Li , Huifeng Guo , Xing Tang , Ruiming Tang , Lu Hou , Ruixuan Li , Rui Zhang

There has been growing interest in using neural networks and deep learning techniques to create dialogue systems. Conversational recommendation is an interesting setting for the scientific exploration of dialogue with natural language as…

Machine Learning · Computer Science 2019-03-05 Raymond Li , Samira Kahou , Hannes Schulz , Vincent Michalski , Laurent Charlin , Chris Pal

Social recommendation has shown promising improvements over traditional systems since it leverages social correlation data as an additional input. Most existing work assumes that all data are available to the recommendation platform.…

Machine Learning · Computer Science 2022-02-16 Jamie Cui , Chaochao Chen , Lingjuan Lyu , Carl Yang , Li Wang

Discovering significant itemsets is one of the fundamental problems in data mining. It has recently been shown that constraint programming is a flexible way to tackle data mining tasks. With a constraint programming approach, we can easily…

Artificial Intelligence · Computer Science 2018-02-09 Christian Bessiere , Nadjib Lazaar , Yahia Lebbah , Mehdi Maamar

Conversational search aims to satisfy users' complex information needs via multiple-turn interactions. The key challenge lies in revealing real users' search intent from the context-dependent queries. Previous studies achieve conversational…

Information Retrieval · Computer Science 2025-11-13 Fengran Mo , Jinghan Zhang , Yuchen Hui , Jia Ao Sun , Zhichao Xu , Zhan Su , Jian-Yun Nie

Deep learning has brought significant breakthroughs in sequential recommendation (SR) for capturing dynamic user interests. A series of recent research revealed that models with more parameters usually achieve optimal performance for SR…

Information Retrieval · Computer Science 2023-02-07 Zhiding Liu , Mingyue Cheng , Zhi Li , Qi Liu , Enhong Chen

Sequential recommendation models user interests based on historical behaviors to provide personalized recommendation. Previous sequential recommendation algorithms primarily employ neural networks to extract features of user interests,…

Information Retrieval · Computer Science 2024-09-24 Li Li , Mingyue Cheng , Zhiding Liu , Hao Zhang , Qi Liu , Enhong Chen