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Related papers: A Survey on Cross-Domain Sequential Recommendation

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Dynamic sequential recommendation (DSR) can generate model parameters based on user behavior to improve the personalization of sequential recommendation under various user preferences. However, it faces the challenges of large parameter…

Information Retrieval · Computer Science 2024-08-02 Zheqi Lv , Shaoxuan He , Tianyu Zhan , Shengyu Zhang , Wenqiao Zhang , Jingyuan Chen , Zhou Zhao , Fei Wu

A conversational recommender system (CRS) is a practical application for item recommendation through natural language conversation. Such a system estimates user interests for appropriate personalized recommendations. Users sometimes have…

Computation and Language · Computer Science 2023-03-02 Yuka Okuda , Katsuhito Sudoh , Seitaro Shinagawa , Satoshi Nakamura

CDR (Cross-Domain Recommendation), i.e., leveraging information from multiple domains, is a critical solution to data sparsity problem in recommendation system. The majority of previous research either focused on single-target CDR (STCDR)…

Information Retrieval · Computer Science 2024-11-27 Xiaopeng Liu , Juan Zhang , Chongqi Ren , Shenghui Xu , Zhaoming Pan , Zhimin Zhang

Cross-domain recommendation (CDR) aims to alleviate data sparsity by transferring knowledge across domains, yet existing methods primarily rely on coarse-grained behavioral signals and often overlook intra-domain heterogeneity in user…

Human-Computer Interaction · Computer Science 2026-03-10 Daehee Kang , Yeon-Chang Lee

Conversational recommender systems (CRS) aim to recommend suitable items to users through natural language conversations. For developing effective CRSs, a major technical issue is how to accurately infer user preference from very limited…

Computation and Language · Computer Science 2023-05-31 Yuanhang Zhou , Kun Zhou , Wayne Xin Zhao , Cheng Wang , Peng Jiang , He Hu

Conversational recommender systems (CRS) aim to provide highquality recommendations in conversations. However, most conventional CRS models mainly focus on the dialogue understanding of the current session, ignoring other rich multi-aspect…

Information Retrieval · Computer Science 2022-04-26 Shuokai Li , Ruobing Xie , Yongchun Zhu , Xiang Ao , Fuzhen Zhuang , Qing He

Many platforms, such as e-commerce websites, offer both search and recommendation services simultaneously to better meet users' diverse needs. Recommendation services suggest items based on user preferences, while search services allow…

Information Retrieval · Computer Science 2024-10-30 Yuening Wang , Man Chen , Yaochen Hu , Wei Guo , Yingxue Zhang , Huifeng Guo , Yong Liu , Mark Coates

The cross-domain recommendation technique is an effective way of alleviating the data sparse issue in recommender systems by leveraging the knowledge from relevant domains. Transfer learning is a class of algorithms underlying these…

Information Retrieval · Computer Science 2018-12-05 Guangneng Hu , Yu Zhang , Qiang Yang

Position bias is a critical problem in information retrieval when dealing with implicit yet biased user feedback data. Unbiased ranking methods typically rely on causality models and debias the user feedback through inverse propensity…

Information Retrieval · Computer Science 2020-05-27 Jiarui Jin , Yuchen Fang , Weinan Zhang , Kan Ren , Guorui Zhou , Jian Xu , Yong Yu , Jun Wang , Xiaoqiang Zhu , Kun Gai

Cross-domain retrieval (CDR), as a crucial tool for numerous technologies, is finding increasingly broad applications. However, existing efforts face several major issues, with the most critical being the need for accurate supervision,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Lixu Wang , Xinyu Du , Qi Zhu

In the field of sequential recommendation, deep learning (DL)-based methods have received a lot of attention in the past few years and surpassed traditional models such as Markov chain-based and factorization-based ones. However, there is…

Information Retrieval · Computer Science 2020-10-13 Hui Fang , Danning Zhang , Yiheng Shu , Guibing Guo

There exist situations of decision-making under information overload in the Internet, where people have an overwhelming number of available options to choose from, e.g. products to buy in an e-commerce site, or restaurants to visit in a…

Social and Information Networks · Computer Science 2021-01-14 Ivan Palomares , Carlos Porcel , Luiz Pizzato , Ido Guy , Enrique Herrera-Viedma

Collaborative Filtering (CF) is a foundational approach in recommender systems, but it struggles with challenges such as data sparsity and the cold-start problem. Cross-Domain Recommendation (CDR) has emerged as a promising solution by…

Information Retrieval · Computer Science 2025-09-18 Jeongeun Lee , Seongku Kang , Won-Yong Shin , Jeongwhan Choi , Noseong Park , Dongha Lee

The sequential patterns within the user interactions are pivotal for representing the user's preference and capturing latent relationships among items. The recent advancements of sequence modeling by Transformers advocate the community to…

Information Retrieval · Computer Science 2021-06-14 Ziwei Fan , Zhiwei Liu , Lei Zheng , Shen Wang , Philip S. Yu

The sequential recommendation system utilizes historical user interactions to predict preferences. Effectively integrating diverse user behavior patterns with rich multimodal information of items to enhance the accuracy of sequential…

Information Retrieval · Computer Science 2025-08-08 Xiaoxi Cui , Weihai Lu , Yu Tong , Yiheng Li , Zhejun Zhao

Cross-domain recommendation can alleviate the data sparsity problem in recommender systems. To transfer the knowledge from one domain to another, one can either utilize the neighborhood information or learn a direct mapping function.…

Machine Learning · Computer Science 2019-10-21 Zhiwei Liu , Lei Zheng , Jiawei Zhang , Jiayu Han , Philip S. Yu

Multi-domain recommender systems benefit from cross-domain representation learning and positive knowledge transfer. Both can be achieved by introducing a specific modeling of input data (i.e. disjoint history) or trying dedicated training…

Information Retrieval · Computer Science 2023-02-23 Alejandro Ariza-Casabona , Bartlomiej Twardowski , Tri Kurniawan Wijaya

Mainstream solutions to Sequential Recommendation (SR) represent items with fixed vectors. These vectors have limited capability in capturing items' latent aspects and users' diverse preferences. As a new generative paradigm, Diffusion…

Information Retrieval · Computer Science 2023-10-31 Zihao Li , Aixin Sun , Chenliang Li

Recommendations can greatly benefit from good representations of the user state at recommendation time. Recent approaches that leverage Recurrent Neural Networks (RNNs) for session-based recommendations have shown that Deep Learning models…

Information Retrieval · Computer Science 2017-06-26 Elena Smirnova , Flavian Vasile

Sequential recommendation (SRS) has become the technical foundation in many applications recently, which aims to recommend the next item based on the user's historical interactions. However, sequential recommendation often faces the problem…

Information Retrieval · Computer Science 2023-09-25 Qidong Liu , Fan Yan , Xiangyu Zhao , Zhaocheng Du , Huifeng Guo , Ruiming Tang , Feng Tian