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Cross-domain recommendation (CDR) aims to alleviate the data sparsity by transferring knowledge across domains. Disentangled representation learning provides an effective solution to model complex user preferences by separating intra-domain…

Information Retrieval · Computer Science 2025-07-24 Yuhan Wang , Qing Xie , Zhifeng Bao , Mengzi Tang , Lin Li , Yongjian Liu

Internet insurance products are apparently different from traditional e-commerce goods for their complexity, low purchasing frequency, etc.So, cold start problem is even worse. In traditional e-commerce field, several cross-domain…

Information Retrieval · Computer Science 2020-07-28 Ye Bi , Liqiang Song , Mengqiu Yao , Zhenyu Wu , Jianming Wang , Jing Xiao

In a large recommender system, the products (or items) could be in many different categories or domains. Given two relevant domains (e.g., Book and Movie), users may have interactions with items in one domain but not in the other domain. To…

Information Retrieval · Computer Science 2020-05-26 Cheng Zhao , Chenliang Li , Rong Xiao , Hongbo Deng , Aixin Sun

Automatic and accurate segmentation of the ventricles and myocardium from multi-sequence cardiac MRI (CMR) is crucial for the diagnosis and treatment management for patients suffering from myocardial infarction (MI). However, due to the…

Image and Video Processing · Electrical Eng. & Systems 2019-10-29 Jiexiang Wang , Hongyu Huang , Chaoqi Chen , Wenao Ma , Yue Huang , Xinghao Ding

Sequential recommendation (SR) aims to predict the next purchasing item according to users' dynamic preference learned from their historical user-item interactions. To improve the performance of recommendation, learning dynamic…

Information Retrieval · Computer Science 2024-12-31 Chuan He , Yongchao Liu , Qiang Li , Weiqiang Wang , Xin Fu , Xinyi Fu , Chuntao Hong , Xinwei Yao

Multi-behavioral recommender systems have emerged as a solution to address data sparsity and cold-start issues by incorporating auxiliary behaviors alongside target behaviors. However, existing models struggle to accurately capture varying…

Information Retrieval · Computer Science 2024-04-18 Zhiyong Cheng , Jianhua Dong , Fan Liu , Lei Zhu , Xun Yang , Meng Wang

Cross-domain recommendation (CDR) has been increasingly explored to address data sparsity and cold-start issues. However, recent approaches typically disentangle domain-invariant features shared between source and target domains, as well as…

Information Retrieval · Computer Science 2026-01-27 Junyou He , Lixi Deng , Huichao Guo , Ye Tang , Yong Li , Sulong Xu

Recommender systems (RS) have become crucial tools for information filtering in various real world scenarios. And cross domain recommendation (CDR) has been widely explored in recent years in order to provide better recommendation results…

Information Retrieval · Computer Science 2025-03-19 Hao Zhang , Mingyue Cheng , Qi Liu , Junzhe Jiang , Xianquan Wang , Rujiao Zhang , Chenyi Lei , Enhong Chen

Most existing multi-source domain adaptation (MSDA) methods minimize the distance between multiple source-target domain pairs via feature distribution alignment, an approach borrowed from the single source setting. However, with diverse…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Zhongying Deng , Kaiyang Zhou , Yongxin Yang , Tao Xiang

The goal of sequential recommendation (SR) is to predict a user's potential interested items based on her/his historical interaction sequences. Most existing sequential recommenders are developed based on ID features, which, despite their…

Information Retrieval · Computer Science 2023-10-24 Jinpeng Wang , Ziyun Zeng , Yunxiao Wang , Yuting Wang , Xingyu Lu , Tianxiang Li , Jun Yuan , Rui Zhang , Hai-Tao Zheng , Shu-Tao Xia

Cross-domain Sequential Recommendation (CDSR) aims to extract the preference from the user's historical interactions across various domains. Despite some progress in CDSR, two problems set the barrier for further advancements, i.e., overlap…

Information Retrieval · Computer Science 2025-04-28 Qidong Liu , Xiangyu Zhao , Yejing Wang , Zijian Zhang , Howard Zhong , Chong Chen , Xiang Li , Wei Huang , Feng Tian

Session-based recommendation (SBR) is a challenging task, which aims at recommending next items based on anonymous interaction sequences. Despite the superior performance of existing methods for SBR, there are still several limitations: (i)…

Information Retrieval · Computer Science 2022-01-03 Qi Shen , Shixuan Zhu , Yitong Pang , Yiming Zhang , Zhihua Wei

Discovering user preferences across different domains is pivotal in cross-domain recommendation systems, particularly when platforms lack comprehensive user-item interactive data. The limited presence of shared users often hampers the…

Information Retrieval · Computer Science 2025-06-10 Zongyi Xiang , Yan Zhang , Lixin Duan , Hongzhi Yin , Ivor W. Tsang

Cold-start problem is a fundamental challenge for recommendation tasks. The recent self-supervised learning (SSL) on Graph Neural Networks (GNNs) model, PT-GNN, pre-trains the GNN model to reconstruct the cold-start embeddings and has shown…

Information Retrieval · Computer Science 2022-05-24 Bowen Hao , Hongzhi Yin , Jing Zhang , Cuiping Li , Hong Chen

Query intent classification, which aims at assisting customers to find desired products, has become an essential component of the e-commerce search. Existing query intent classification models either design more exquisite models to enhance…

Information Retrieval · Computer Science 2023-03-29 Chunyuan Yuan , Yiming Qiu , Mingming Li , Haiqing Hu , Songlin Wang , Sulong Xu

Multi-Behavior Recommendation (MBR) leverages multiple user interaction types (e.g., views, clicks, purchases) to enrich preference modeling and alleviate data sparsity issues in traditional single-behavior approaches. However, existing MBR…

Information Retrieval · Computer Science 2026-03-27 Ranxu Zhang , Junjie Meng , Ying Sun , Ziqi Xu , Bing Yin , Hao Li , Yanyong Zhang , Chao Wang

Learning accurate cross-domain preference mappings in the absence of overlapped users/items has presented a persistent challenge in Non-overlapping Cross-domain Recommendation (NOCDR). Despite the efforts made in previous studies to address…

Information Retrieval · Computer Science 2023-09-06 Jing Du , Zesheng Ye , Bin Guo , Zhiwen Yu , Lina Yao

Multi-behavior recommendation exploits multiple types of user-item interactions to alleviate the data sparsity problem faced by the traditional models that often utilize only one type of interaction for recommendation. In real scenarios,…

Information Retrieval · Computer Science 2023-07-13 Mingshi Yan , Zhiyong Cheng , Chen Gao , Jing Sun , Fan Liu , Fuming Sun , Haojie Li

The increasing availability and diversity of multimodal data in recommender systems offer new avenues for enhancing recommendation accuracy and user satisfaction. However, these systems must contend with high-dimensional, sparse user-item…

Information Retrieval · Computer Science 2024-12-04 Yasser Khalafaoui , Martino Lovisetto , Basarab Matei , Nistor Grozavu

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