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Recommender systems provide personalized recommendations to the users from a large number of possible options in online stores. Matrix factorization is a well-known and accurate collaborative filtering approach for recommender system, which…

Information Retrieval · Computer Science 2019-09-30 Seyed Mohammad Hashemi , Mohammad Rahmati

Cross-domain recommendation has been proposed to transfer user behavior pattern by pooling together the rating data from multiple domains to alleviate the sparsity problem appearing in single rating domains. However, previous models only…

Information Retrieval · Computer Science 2014-09-26 Siting Ren , Sheng Gao

Recommender systems have been widely deployed in many real-world applications, but usually suffer from the long-standing user cold-start problem. As a promising way, Cross-Domain Recommendation (CDR) has attracted a surge of interest, which…

Information Retrieval · Computer Science 2022-04-01 Jiangxia Cao , Jiawei Sheng , Xin Cong , Tingwen Liu , Bin Wang

Traditional recommendation systems mainly focus on modeling user interests. However, the dynamics of recommended items caused by attribute modifications (e.g. changes in prices) are also of great importance in real systems, especially in…

Information Retrieval · Computer Science 2022-08-30 Rui Ma , Ning Liu , Jingsong Yuan , Huafeng Yang , Jiandong Zhang

Cross-domain recommendation (CDR) is an important method to improve recommender system performance, especially when observations in target domains are sparse. However, most existing cross-domain recommendations fail to fully utilize the…

Information Retrieval · Computer Science 2024-01-23 Yuhao Luo , Shiwei Ma , Mingjun Nie , Changping Peng , Zhangang Lin , Jingping Shao , Qianfang Xu

Cross-domain recommendation (CDR) plays a critical role in alleviating the sparsity and cold-start problem and substantially boosting the performance of recommender systems. Existing CDR methods prefer to either learn a common preference…

Information Retrieval · Computer Science 2024-08-02 Xiaofei Zhu , Yabo Yin , Li Wang

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

With the proliferation of social media platforms and e-commerce sites, several cross-domain collaborative filtering strategies have been recently introduced to transfer the knowledge of user preferences across domains. The main challenge of…

Information Retrieval · Computer Science 2019-08-20 Dimitrios Rafailidis

Although the latent factor model achieves good accuracy in rating prediction, it suffers from many problems including cold-start, non-transparency, and suboptimal results for individual user-item pairs. In this paper, we exploit textual…

Information Retrieval · Computer Science 2018-11-27 Zhiyong Cheng , Xiaojun Chang , Lei Zhu , Rose C. Kanjirathinkal , Mohan Kankanhalli

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

Cross-domain recommendation has long been one of the major topics in recommender systems. Recently, various deep models have been proposed to transfer the learned knowledge across domains, but most of them focus on extracting abstract…

Machine Learning · Computer Science 2019-05-28 Feng Yuan , Lina Yao , Boualem Benatallah

Cross domain recommendation (CDR) is one popular research topic in recommender systems. This paper focuses on a popular scenario for CDR where different domains share the same set of users but no overlapping items. The majority of recent…

Information Retrieval · Computer Science 2022-03-18 Xu Chen , Ya Zhang , Ivor Tsang , Yuangang Pan , Jingchao Su

Capturing users' precise preferences is of great importance in various recommender systems (eg., e-commerce platforms), which is the basis of how to present personalized interesting product lists to individual users. In spite of significant…

Information Retrieval · Computer Science 2021-10-11 Lianghao Xia , Chao Huang , Yong Xu , Peng Dai , Bo Zhang , Liefeng Bo

With the increasing use and impact of recommender systems in our daily lives, how to achieve fairness in recommendation has become an important problem. Previous works on fairness-aware recommendation mainly focus on a predefined set of…

Information Retrieval · Computer Science 2023-01-26 Yunqi Li , Dingxian Wang , Hanxiong Chen , Yongfeng Zhang

Cross-domain recommendation offers a potential avenue for alleviating data sparsity and cold-start problems. Embedding and mapping, as a classic cross-domain research genre, aims to identify a common mapping function to perform…

Information Retrieval · Computer Science 2024-06-25 Chuang Zhao , Hongke Zhao , Ming He , Xiaomeng Li , Jianping Fan

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

Cross-domain recommender (CDR) systems aim to transfer knowledge from data-rich domains to data-sparse ones, alleviating sparsity and cold-start issues present in conventional single-domain recommenders. However, many CDR approaches rely on…

Information Retrieval · Computer Science 2026-03-03 Ziyin Xiao , Toyotaro Suzumura

In the recommendation systems, there are multiple business domains to meet the diverse interests and needs of users, and the click-through rate(CTR) of each domain can be quite different, which leads to the demand for CTR prediction…

Information Retrieval · Computer Science 2023-06-30 Wei Zhang , Pengye Zhang , Bo Zhang , Xingxing Wang , Dong Wang

We address the cold start problem in recommendation systems assuming no contextual information is available neither about users, nor items. We consider the case in which we only have access to a set of ratings of items by users. Most of the…

Machine Learning · Computer Science 2014-07-11 Jérémie Mary , Romaric Gaudel , Preux Philippe

Cross-Domain Sequential Recommendation (CDSR) is a hot topic in sequence-based user interest modeling, which aims at utilizing a single model to predict the next items for different domains. To tackle the CDSR, many methods are focused on…

Information Retrieval · Computer Science 2024-10-18 Haipeng Li , Jiangxia Cao , Yiwen Gao , Yunhuai Liu , Shuchao Pang