English
Related papers

Related papers: Bridge the Domains: Large Language Models Enhanced…

200 papers

Cross domain recommender systems have been increasingly valuable for helping consumers identify the most satisfying items from different categories. However, previously proposed cross-domain models did not take into account bidirectional…

Information Retrieval · Computer Science 2019-10-14 Pan Li , Alexander Tuzhilin

Recently, there has been growing interest in developing the next-generation recommender systems (RSs) based on pretrained large language models (LLMs). However, the semantic gap between natural language and recommendation tasks is still not…

Information Retrieval · Computer Science 2024-02-23 Yaochen Zhu , Liang Wu , Qi Guo , Liangjie Hong , Jundong Li

Cross-domain recommendation (CDR) aims to leverage the correlation of users' behaviors in both the source and target domains to improve the user preference modeling in the target domain. Conventional CDR methods typically explore the…

Information Retrieval · Computer Science 2023-06-09 Haokai Ma , Ruobing Xie , Lei Meng , Xin Chen , Xu Zhang , Leyu Lin , Jie Zhou

Deep neural networks (DNNs) that incorporated lifelong sequential modeling (LSM) have brought great success to recommendation systems in various social media platforms. While continuous improvements have been made in domain-specific LSM,…

Information Retrieval · Computer Science 2024-05-20 Ruijie Hou , Zhaoyang Yang , Yu Ming , Hongyu Lu , Zhuobin Zheng , Yu Chen , Qinsong Zeng , Ming Chen

Large Language Models (LLMs) have emerged as powerful tools in the field of Natural Language Processing (NLP) and have recently gained significant attention in the domain of Recommendation Systems (RS). These models, trained on massive…

Information Retrieval · Computer Science 2024-06-19 Likang Wu , Zhi Zheng , Zhaopeng Qiu , Hao Wang , Hongchao Gu , Tingjia Shen , Chuan Qin , Chen Zhu , Hengshu Zhu , Qi Liu , Hui Xiong , Enhong Chen

In this paper, we address the lifelong sequential behavior incomprehension problem in large language models (LLMs) for recommendation, where LLMs struggle to extract useful information from long user behavior sequences, even within their…

Information Retrieval · Computer Science 2025-01-24 Rong Shan , Jiachen Zhu , Jianghao Lin , Chenxu Zhu , Bo Chen , Ruiming Tang , Yong Yu , Weinan Zhang

Session-based recommendation (SBR) predicts the next item based on anonymous sessions. Traditional SBR explores user intents based on ID collaborations or auxiliary content. To further alleviate data sparsity and cold-start issues, recent…

Information Retrieval · Computer Science 2025-04-16 Jiajie Su , Qiyong Zhong , Yunshan Ma , Weiming Liu , Chaochao Chen , Xiaolin Zheng , Jianwei Yin , Tat-Seng Chua

Recent advancements in Multimodal Large Language Models (MLLMs) have demonstrated significant potential in recommendation systems. However, the effective application of MLLMs to multimodal sequential recommendation remains unexplored: A)…

Information Retrieval · Computer Science 2025-12-25 Haoyu Wang , Yitong Wang , Jining Wang

Long-standing data sparsity and cold-start constitute thorny and perplexing problems for the recommendation systems. Cross-domain recommendation as a domain adaptation framework has been utilized to efficiently address these challenging…

Information Retrieval · Computer Science 2024-10-28 Alexandros Gkillas , Dimitrios Kosmopoulos

Recent advances in Large Language Models (LLMs) have demonstrated significant potential in the field of Recommendation Systems (RSs). Most existing studies have focused on converting user behavior logs into textual prompts and leveraging…

Information Retrieval · Computer Science 2025-01-14 Yuyang Ye , Zhi Zheng , Yishan Shen , Tianshu Wang , Hengruo Zhang , Peijun Zhu , Runlong Yu , Kai Zhang , Hui Xiong

Sequential Recommender Systems (SRS), which model a user's interaction history to predict the next item of interest, are widely used in various applications. However, existing SRS often struggle with low-popularity items, a challenge known…

Information Retrieval · Computer Science 2024-12-24 Qidong Liu , Xian Wu , Wanyu Wang , Yejing Wang , Yuanshao Zhu , Xiangyu Zhao , Feng Tian , Yefeng Zheng

In addressing the persistent challenges of data-sparsity and cold-start issues in domain-expert recommender systems, Cross-Domain Recommendation (CDR) emerges as a promising methodology. CDR aims at enhancing prediction performance in the…

Information Retrieval · Computer Science 2024-09-10 Jiangxia Cao , Shen Wang , Gaode Chen , Rui Huang , Shuang Yang , Zhaojie Liu , Guorui Zhou

Sequential recommendation is to predict the next item of interest for a user, based on her/his interaction history with previous items. In conventional sequential recommenders, a common approach is to model item sequences using discrete…

Information Retrieval · Computer Science 2023-11-01 Zhengyi Yang , Jiancan Wu , Yanchen Luo , Jizhi Zhang , Yancheng Yuan , An Zhang , Xiang Wang , Xiangnan He

Cross-Domain Recommendation (CDR) and Cross-System Recommendations (CSR) are two of the promising solutions to address the long-standing data sparsity problem in recommender systems. They leverage the relatively richer information, e.g.,…

Machine Learning · Computer Science 2020-09-15 Feng Zhu , Yan Wang , Chaochao Chen , Guanfeng Liu , Mehmet Orgun , Jia Wu

Effectively modeling the dynamic nature of user preferences is crucial for enhancing recommendation accuracy and fostering transparency in recommender systems. Traditional user profiling often overlooks the distinction between transitory…

Information Retrieval · Computer Science 2025-11-04 Milad Sabouri , Masoud Mansoury , Kun Lin , Bamshad Mobasher

Cross domain recommender system constitutes a powerful method to tackle the cold-start and sparsity problem by aggregating and transferring user preferences across multiple category domains. Therefore, it has great potential to improve…

Information Retrieval · Computer Science 2021-06-08 Pan Li , Zhichao Jiang , Maofei Que , Yao Hu , Alexander Tuzhilin

Deep learning-based recommender systems may lead to over-fitting when lacking training interaction data. This over-fitting significantly degrades recommendation performances. To address this data sparsity problem, cross-domain recommender…

Information Retrieval · Computer Science 2022-11-08 Zhi Li , Daichi Amagata , Yihong Zhang , Takahiro Hara , Shuichiro Haruta , Kei Yonekawa , Mori Kurokawa

Cross domain recommender systems have been increasingly valuable for helping consumers identify useful items in different applications. However, existing cross-domain models typically require large number of overlap users, which can be…

Information Retrieval · Computer Science 2021-04-21 Pan Li , Alexander Tuzhilin

Cross-domain Sequential Recommendation (CSR) which leverages user sequence data from multiple domains has received extensive attention in recent years. However, the existing CSR methods require sharing origin user data across domains, which…

Machine Learning · Computer Science 2024-04-26 Hongyu Zhang , Dongyi Zheng , Xu Yang , Jiyuan Feng , Qing Liao

Large Language Models have shown great success in recommender systems. However, the limited and sparse nature of user data often restricts the LLM's ability to effectively model behavior patterns. To address this, existing studies have…

Information Retrieval · Computer Science 2026-04-17 Lei Guo , Hongyun Yang , Pengjie Ren , Tong Chen , Hui Liu , Zhumin Chen