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We develop a new collaborative filtering (CF) method that combines both previously known users' preferences, i.e. standard CF, as well as product/user attributes, i.e. classical function approximation, to predict a given user's interest in…

Machine Learning · Computer Science 2007-05-23 Jacob Abernethy , Francis Bach , Theodoros Evgeniou , Jean-Philippe Vert

Collaborative filtering (CF) is a popular technique in today's recommender systems, and matrix approximation-based CF methods have achieved great success in both rating prediction and top-N recommendation tasks. However, real-world…

Machine Learning · Computer Science 2018-11-07 Dongsheng Li , Chao Chen , Qin Lv , Junchi Yan , Li Shang , Stephen M. Chu

Collaborative Filtering (CF) methods dominate real-world recommender systems given their ability to learn high-quality, sparse ID-embedding tables that effectively capture user preferences. These tables scale linearly with the number of…

Information Retrieval · Computer Science 2025-09-03 Donald Loveland , Xinyi Wu , Tong Zhao , Danai Koutra , Neil Shah , Mingxuan Ju

Collaborative filtering (CF) plays a critical role in the development of recommender systems. Most CF methods utilize an encoder to embed users and items into the same representation space, and the Bayesian personalized ranking (BPR) loss…

Information Retrieval · Computer Science 2022-06-28 Chenyang Wang , Yuanqing Yu , Weizhi Ma , Min Zhang , Chong Chen , Yiqun Liu , Shaoping Ma

Collaborative filtering (CF) is a powerful recommender system that generates a list of recommended items for an active user based on the ratings of similar users. This paper presents a novel approach to CF by first finding the set of users…

Information Retrieval · Computer Science 2017-03-06 Doaa M. Shawky

Collaborative filtering (CF) aims to build a model from users' past behaviors and/or similar decisions made by other users, and use the model to recommend items for users. Despite of the success of previous collaborative filtering…

Information Retrieval · Computer Science 2017-04-04 Junhua He , Hankz Hankui Zhuo , Jarvan Law

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

A standard approach to Collaborative Filtering (CF), i.e. prediction of user ratings on items, relies on Matrix Factorization techniques. Representations for both users and items are computed from the observed ratings and used for…

Information Retrieval · Computer Science 2015-06-23 Gabriella Contardo , Ludovic Denoyer , Thierry Artieres

In general, recommendation can be viewed as a matching problem, i.e., match proper items for proper users. However, due to the huge semantic gap between users and items, it's almost impossible to directly match users and items in their…

Machine Learning · Computer Science 2019-01-16 Zhi-Hong Deng , Ling Huang , Chang-Dong Wang , Jian-Huang Lai , Philip S. Yu

Collaborative Filtering (CF) based recommendation methods have been widely studied, which can be generally categorized into two types, i.e., representation learning-based CF methods and matching function learning-based CF methods.…

Information Retrieval · Computer Science 2021-04-13 Zi-Yuan Hu , Jin Huang , Zhi-Hong Deng , Chang-Dong Wang , Ling Huang , Jian-Huang Lai , Philip S. Yu

Collaborative filtering (CF) has achieved great success in the field of recommender systems. In recent years, many novel CF models, particularly those based on deep learning or graph techniques, have been proposed for a variety of…

Information Retrieval · Computer Science 2021-02-16 Haiyang Zhang , Ivan Ganchev , Nikola S. Nikolov , Mark Stevenson

Despite the popularity of Collaborative Filtering (CF), CF-based methods are haunted by the \textit{cold-start} problem, which has a significantly negative impact on users' experiences with Recommender Systems (RS). In this paper, to…

Information Retrieval · Computer Science 2018-09-03 Lei Zheng , Chun-Ta Lu , Fei Jiang , Jiawei Zhang , Philip S. Yu

Automatic solutions which enable the selection of the best algorithms for a new problem are commonly found in the literature. One research area which has recently received considerable efforts is Collaborative Filtering. Existing work…

Information Retrieval · Computer Science 2018-10-04 Tiago Cunha , Carlos Soares , André C. P. L. F. de Carvalho

In this study, we present a novel clustering-based collaborative filtering (CF) method for recommender systems. Clustering-based CF methods can effectively deal with data sparsity and scalability problems. However, most of them are applied…

Information Retrieval · Computer Science 2021-11-17 Munlika Rattaphun , Wen-Chieh Fang , Chih-Yi Chiu

Recommendation Systems apply Information Retrieval techniques to select the online information relevant to a given user. Collaborative Filtering is currently most widely used approach to build Recommendation System. CF techniques uses the…

Information Retrieval · Computer Science 2015-03-26 Dheeraj kumar Bokde , Sheetal Girase , Debajyoti Mukhopadhyay

Collaborative filtering (CF) is a successful approach commonly used by many recommender systems. Conventional CF-based methods use the ratings given to items by users as the sole source of information for learning to make recommendation.…

Machine Learning · Computer Science 2015-06-22 Hao Wang , Naiyan Wang , Dit-Yan Yeung

Over the past two decades, recommender systems have attracted a lot of interest due to the explosion in the amount of data in online applications. A particular attention has been paid to collaborative filtering, which is the most widely…

Information Retrieval · Computer Science 2021-06-23 Carmel Wenga , Majirus Fansi , Sébastien Chabrier , Jean-Martial Mari , Alban Gabillon

Collaborative Filtering (CF) is one of the most commonly used recommendation methods. CF consists in predicting whether, or how much, a user will like (or dislike) an item by leveraging the knowledge of the user's preferences as well as…

Information Retrieval · Computer Science 2018-07-17 Mohamed Reda Bouadjenek , Esther Pacitti , Maximilien Servajean , Florent Masseglia , Amr El Abbadi

Collaborative filtering (CF), as a fundamental approach for recommender systems, is usually built on the latent factor model with learnable parameters to predict users' preferences towards items. However, designing a proper CF model for a…

Information Retrieval · Computer Science 2021-06-15 Chen Gao , Quanming Yao , Depeng Jin , Yong Li

The past few years have witnessed the great success of recommender systems, which can significantly help users find out personalized items for them from the information era. One of the most widely applied recommendation methods is the…

Information Retrieval · Computer Science 2015-06-17 Chu-Xu Zhang , Zi-Ke Zhang , Lu Yu , Chuang Liu , Hao Liu , Xiao-Yong Yan
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