English
Related papers

Related papers: Learning to Recommend from Sparse Data via Generat…

200 papers

In modern recommender systems, CTR/CVR models are increasingly trained with ranking objectives to improve item ranking quality. While this shift aligns training more closely with serving goals, most existing methods rely on in-batch…

Information Retrieval · Computer Science 2025-06-17 YaChen Yan , Liubo Li , Ravi Choudhary

Recommender System (RS) is an important online application that affects billions of users every day. The mainstream RS ranking framework is composed of two parts: a Multi-Task Learning model (MTL) that predicts various user feedback, i.e.,…

Information Retrieval · Computer Science 2022-08-11 Qihua Zhang , Junning Liu , Yuzhuo Dai , Yiyan Qi , Yifan Yuan , Kunlun Zheng , Fan Huang , Xianfeng Tan

Recommender systems leverage extensive user interaction data to model preferences; however, directly modeling these data may introduce biases that disproportionately favor popular items. In this paper, we demonstrate that popularity bias…

Information Retrieval · Computer Science 2025-04-21 Jiahao Liu , Dongsheng Li , Hansu Gu , Peng Zhang , Tun Lu , Li Shang , Ning Gu

One of the most used approaches for providing recommendations in various online environments such as e-commerce is collaborative filtering. Although, this is a simple method for recommending items or services, accuracy and quality problems…

Information Retrieval · Computer Science 2017-02-07 Nikolaos Polatidis , Christos K. Georgiadis

Collaborative Filtering (CF) is a widely adopted technique in recommender systems. Traditional CF models mainly focus on predicting a user's preference to the items in a single domain such as the movie domain or the music domain. A major…

Information Retrieval · Computer Science 2018-03-06 Xinghua Wang , Zhaohui Peng , Senzhang Wang , Philip S. Yu , Wenjing Fu , Xiaoguang Hong

Collaborative Filtering (CF) is a core component of popular web-based services such as Amazon, YouTube, Netflix, and Twitter. Most applications use CF to recommend a small set of items to the user. For instance, YouTube presents to a user a…

Collaborative filtering is one of the most used approaches for providing recommendations in various online environments. Even though collaborative recommendation methods have been widely utilized due to their simplicity and ease of use,…

Information Retrieval · Computer Science 2018-04-25 Nikolaos Polatidis , Christos K. Georgiadis

Recommender systems are essential information technologies today, and recommendation algorithms combined with deep learning have become a research hotspot in this field. The recommendation model known as LFM (Latent Factor Model), which…

Information Retrieval · Computer Science 2024-03-27 Junyi Liu

Collaborative Filtering (CF) is a widely used and effective technique for recommender systems. In recent decades, there have been significant advancements in latent embedding-based CF methods for improved accuracy, such as matrix…

Information Retrieval · Computer Science 2023-04-28 Yuntao Du , Jianxun Lian , Jing Yao , Xiting Wang , Mingqi Wu , Lu Chen , Yunjun Gao , Xing Xie

Collaborative filtering (CF) has been one of the most important and popular recommendation methods, which aims at predicting users' preferences (ratings) based on their past behaviors. Recently, various types of side information beyond the…

Information Retrieval · Computer Science 2020-12-29 Huan Zhao , Quanming Yao , Yangqiu Song , James Kwok , Dik Lun Lee

A content recommender system or a recommendation system represents a subclass of information filtering systems which seeks to predict the user preferences, i.e. the content that would be most likely positively "rated" by the user. Nowadays,…

Information Retrieval · Computer Science 2019-02-28 Nikola Tomasevic , Dejan Paunovic , Sanja Vranes

Digital human recommendation system has been developed to help customers find their favorite products and is playing an active role in various recommendation contexts. How to timely catch and learn the dynamics of the preferences of the…

Information Retrieval · Computer Science 2022-11-07 Xiong Junwu , Xiaoyun Feng , YunZhou Shi , James Zhang , Zhongzhou Zhao , Wei Zhou

Modeling user sequential behaviors has recently attracted increasing attention in the recommendation domain. Existing methods mostly assume coherent preference in the same sequence. However, user personalities are volatile and easily…

Information Retrieval · Computer Science 2022-04-01 Weiqi Shao , Xu Chen , Long Xia , Jiashu Zhao , Dawei Yin

Collaborative Filtering (CF) is a widely used technique which allows to leverage past users' preferences data to identify behavioural patterns and exploit them to predict custom recommendations. In this work, we illustrate our review of…

Information Retrieval · Computer Science 2022-09-28 Andrea Pinto , Giacomo Camposampiero , Loïc Houmard , Marc Lundwall

In Conversational Recommendation Systems (CRS), a user can provide feedback on recommended items at each interaction turn, leading the CRS towards more desirable recommendations. Currently, different types of CRS offer various possibilities…

Information Retrieval · Computer Science 2024-01-12 Maria Vlachou , Craig Macdonald

Recommender systems are information retrieval methods that predict user preferences to personalize services. These systems use the feedback and the ratings provided by users to model the behavior of users and to generate recommendations.…

Information Retrieval · Computer Science 2022-03-14 Alireza Gharahighehi , Felipe Kenji Nakano , Celine Vens

There are great interests as well as many challenges in applying reinforcement learning (RL) to recommendation systems. In this setting, an online user is the environment; neither the reward function nor the environment dynamics are clearly…

Machine Learning · Computer Science 2020-01-03 Xinshi Chen , Shuang Li , Hui Li , Shaohua Jiang , Yuan Qi , Le Song

A well-designed recommender system can accurately capture the attributes of users and items, reflecting the unique preferences of individuals. Traditional recommendation techniques usually focus on modeling the singular type of behaviors…

Information Retrieval · Computer Science 2023-03-06 Hongrui Xuan , Yi Liu , Bohan Li , Hongzhi Yin

Recent advancements in explainable recommendation have greatly bolstered user experience by elucidating the decision-making rationale. However, the existing methods actually fail to provide effective feedback signals for potentially better…

Information Retrieval · Computer Science 2025-08-08 Jiakai Tang , Jingsen Zhang , Zihang Tian , Xueyang Feng , Lei Wang , Xu Chen

Recommender systems recommend items more accurately by analyzing users' potential interest on different brands' items. In conjunction with users' rating similarity, the presence of users' implicit feedbacks like clicking items, viewing…

Information Retrieval · Computer Science 2018-10-31 Supriyo Mandal , Abyayananda Maiti