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Sequential recommendation (SR) systems predict user preferences by analyzing time-ordered interaction sequences. A common challenge for SR is data sparsity, as users typically interact with only a limited number of items. While contrastive…

Information Retrieval · Computer Science 2025-04-10 Yu-Hsuan Huang , Ling Lo , Hongxia Xie , Hong-Han Shuai , Wen-Huang Cheng

Cross-Domain Sequential Recommendation (CDSR) aims to mine and transfer users' sequential preferences across different domains to alleviate the long-standing cold-start issue. Traditional CDSR models capture collaborative information…

Machine Learning · Computer Science 2024-06-06 Tingjia Shen , Hao Wang , Jiaqing Zhang , Sirui Zhao , Liangyue Li , Zulong Chen , Defu Lian , Enhong Chen

Social recommendations utilize social relations to enhance the representation learning for recommendations. Most social recommendation models unify user representations for the user-item interactions (collaborative domain) and social…

Information Retrieval · Computer Science 2023-10-04 Jiahao Wu , Wenqi Fan , Jingfan Chen , Shengcai Liu , Qing Li , Ke Tang

Cross-Domain Sequential Recommendation (CDSR) predicts user behavior by leveraging historical interactions across multiple domains, focusing on modeling cross-domain preferences and capturing both intra- and inter-sequence item…

Information Retrieval · Computer Science 2026-03-02 Wangyu Wu , Zhenhong Chen , Wenqiao Zhang , Xianglin Qiu , Siqi Song , Xiaowei Huang , Fei Ma , Jimin Xiao

Contrastive learning with Transformer-based sequence encoder has gained predominance for sequential recommendation. It maximizes the agreements between paired sequence augmentations that share similar semantics. However, existing…

Information Retrieval · Computer Science 2022-08-18 Hanwen Du , Hui Shi , Pengpeng Zhao , Deqing Wang , Victor S. Sheng , Yanchi Liu , Guanfeng Liu , Lei Zhao

Real-scene image super-resolution aims to restore real-world low-resolution images into their high-quality versions. A typical RealSR framework usually includes the optimization of multiple criteria which are designed for different image…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Yukai Shi , Hao Li , Sen Zhang , Zhijing Yang , Xiao Wang

The sequential recommendation aims to recommend items, such as products, songs and places, to users based on the sequential patterns of their historical records. Most existing sequential recommender models consider the next item prediction…

Information Retrieval · Computer Science 2021-09-14 Ruihong Qiu , Zi Huang , Hongzhi Yin

The online emergence of multi-modal sharing platforms (eg, TikTok, Youtube) is powering personalized recommender systems to incorporate various modalities (eg, visual, textual and acoustic) into the latent user representations. While…

Information Retrieval · Computer Science 2023-07-19 Wei Wei , Chao Huang , Lianghao Xia , Chuxu Zhang

Sequential Recommendation is a widely studied paradigm for learning users' dynamic interests from historical interactions for predicting the next potential item. Although lots of research work has achieved remarkable progress, they are…

Information Retrieval · Computer Science 2023-03-02 Yongqiang Han , Likang Wu , Hao Wang , Guifeng Wang , Mengdi Zhang , Zhi Li , Defu Lian , Enhong Chen

Personalized search plays a crucial role in improving user search experience owing to its ability to build user profiles based on historical behaviors. Previous studies have made great progress in extracting personal signals from the query…

Information Retrieval · Computer Science 2021-11-25 Yujia Zhou , Zhicheng Dou , Yutao Zhu , Ji-Rong Wen

The emerging topic of sequential recommender systems has attracted increasing attention in recent years.Different from the conventional recommender systems including collaborative filtering and content-based filtering, SRSs try to…

Information Retrieval · Computer Science 2020-01-15 Shoujin Wang , Liang Hu , Yan Wang , Longbing Cao , Quan Z. Sheng , Mehmet Orgun

Contrastive learning has gained significant attention in skeleton-based action recognition for its ability to learn robust representations from unlabeled data. However, existing methods rely on a single skeleton convention, which limits…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Mert Kiray , Alvaro Ritter , Nassir Navab , Benjamin Busam

Modern recommender systems often deal with a variety of user interactions, e.g., click, forward, purchase, etc., which requires the underlying recommender engines to fully understand and leverage multi-behavior data from users. Despite…

Information Retrieval · Computer Science 2023-05-30 Jingcao Xu , Chaokun Wang , Cheng Wu , Yang Song , Kai Zheng , Xiaowei Wang , Changping Wang , Guorui Zhou , Kun Gai

While contrastive learning is proven to be an effective training strategy in computer vision, Natural Language Processing (NLP) is only recently adopting it as a self-supervised alternative to Masked Language Modeling (MLM) for improving…

Computation and Language · Computer Science 2021-09-16 Hooman Sedghamiz , Shivam Raval , Enrico Santus , Tuka Alhanai , Mohammad Ghassemi

Although a variety of methods have been proposed for sequential recommendation, it is still far from being well solved partly due to two challenges. First, the existing methods often lack the simultaneous consideration of the global…

Information Retrieval · Computer Science 2022-08-10 Lihua Chen , Ning Yang , Philip S Yu

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

This paper investigates Cross-Domain Sequential Recommendation (CDSR), a promising method that uses information from multiple domains (more than three) to generate accurate and diverse recommendations, and takes into account the sequential…

Artificial Intelligence · Computer Science 2023-11-23 Chung Park , Taesan Kim , Taekyoon Choi , Junui Hong , Yelim Yu , Mincheol Cho , Kyunam Lee , Sungil Ryu , Hyungjun Yoon , Minsung Choi , Jaegul Choo

Natural Language Inference (NLI) is a growingly essential task in natural language understanding, which requires inferring the relationship between the sentence pairs (premise and hypothesis). Recently, low-resource natural language…

Computation and Language · Computer Science 2022-06-01 Shu'ang Li , Xuming Hu , Li Lin , Aiwei Liu , Lijie Wen , Philip S. Yu

This paper presents a solution to the challenges faced by contrastive learning in sequential recommendation systems. In particular, it addresses the issue of false negative, which limits the effectiveness of recommendation algorithms. By…

Information Retrieval · Computer Science 2023-07-12 Jaeheyoung Jeon , Jung Hyun Ryu , Jewoong Cho , Myungjoo Kang

Recently, graph collaborative filtering methods have been proposed as an effective recommendation approach, which can capture users' preference over items by modeling the user-item interaction graphs. In order to reduce the influence of…

Information Retrieval · Computer Science 2022-02-16 Zihan Lin , Changxin Tian , Yupeng Hou , Wayne Xin Zhao
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