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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

Recommender systems are significant to help people deal with the world of information explosion and overload. In this Letter, we develop a general framework named self-consistent refinement and implement it be embedding two representative…

Data Analysis, Statistics and Probability · Physics 2008-06-10 Jie Ren , Tao Zhou , Yi-Cheng Zhang

User evaluations include a significant quantity of information across online platforms. This information source has been neglected by the majority of existing recommendation systems, despite its potential to ease the sparsity issue and…

Information Retrieval · Computer Science 2022-06-24 Aristeidis Karras , Christos Karras

Recommender system is a very promising way to address the problem of overabundant information for online users. Though the information filtering for the online commercial systems received much attention recently, almost all of the previous…

Physics and Society · Physics 2012-12-20 Fuguo Zhang , An Zeng

Product recommendation systems are important for major movie studios during the movie greenlight process and as part of machine learning personalization pipelines. Collaborative Filtering (CF) models have proved to be effective at powering…

Information Retrieval · Computer Science 2018-03-02 Miguel Campo , JJ Espinoza , Julie Rieger , Abhinav Taliyan

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

There are many offline metrics that can be used as a reference for evaluation and optimization of the performance of recommender systems. Hybrid recommendation approaches are commonly used to improve some of those metrics by combining…

Information Retrieval · Computer Science 2019-01-09 Andres Ferraro , Dmitry Bogdanov , Kyumin Choi , Xavier Serra

Movie Recommender System is widely applied in commercial environments such as NetFlix and Tubi. Classic recommender models utilize technologies such as collaborative filtering, learning to rank, matrix factorization and deep learning models…

Information Retrieval · Computer Science 2022-04-28 Hao Wang

How to rank web pages, scientists and online resources has recently attracted increasing attention from both physicists and computer scientists. In this paper, we study the ranking problem of rating systems where users vote objects by…

Information Retrieval · Computer Science 2010-01-14 Luo-Luo Jiang , Matus Medo , Joseph R. Wakeling , Yi-Cheng Zhang , Tao Zhou

In the last decade we have observed a mass increase of information, in particular information that is shared through smartphones. Consequently, the amount of information that is available does not allow the average user to be aware of all…

Information Retrieval · Computer Science 2017-07-04 Akshay Kumar Chaturvedi , Filipa Peleja , Ana Freire

Recommender systems use data on past user preferences to predict possible future likes and interests. A key challenge is that while the most useful individual recommendations are to be found among diverse niche objects, the most reliably…

Information Retrieval · Computer Science 2010-03-15 Tao Zhou , Zoltan Kuscsik , Jian-Guo Liu , Matus Medo , Joseph R. Wakeling , Yi-Cheng Zhang

Game recommendation is an important application of recommender systems. Recommendations are made possible by data sets of historical player and game interactions, and sometimes the data sets include features that describe games or players.…

Information Retrieval · Computer Science 2020-09-21 Markus Viljanen , Jukka Vahlo , Aki Koponen , Tapio Pahikkala

We present a collection recommender system that can automatically create and recommend collections of items at a user level. Unlike regular recommender systems, which output top-N relevant items, a collection recommender system outputs…

Information Retrieval · Computer Science 2021-05-04 Sanidhya Singal , Piyush Singh , Manjeet Dahiya

The recommender system is one of the most promising ways to address the information overload problem in online systems. Based on the personal historical record, the recommender system can find interesting and relevant objects for the user…

Information Retrieval · Computer Science 2015-06-17 An Zeng , Alexandre Vidmer , Matus Medo , Yi-Cheng Zhang

Recommender systems are one of the most applied methods in machine learning and find applications in many areas, ranging from economics to the Internet of things. This article provides a general overview of modern approaches to recommender…

Information Retrieval · Computer Science 2021-09-28 Irina Beregovskaya , Mikhail Koroteev

The goal of recommendation is to show users items that they will like. Though usually framed as a prediction, the spirit of recommendation is to answer an interventional question---for each user and movie, what would the rating be if we…

Information Retrieval · Computer Science 2019-05-28 Yixin Wang , Dawen Liang , Laurent Charlin , David M. Blei

This paper identifies the factors that have an impact on mobile recommender systems. Recommender systems have become a technology that has been widely used by various online applications in situations where there is an information overload…

Information Retrieval · Computer Science 2018-05-08 Elias Pimenidis , Nikolaos Polatidis , Haralambos Mouratidis

Recommender systems support decisions in various domains ranging from simple items such as books and movies to more complex items such as financial services, telecommunication equipment, and software systems. In this context,…

Information Retrieval · Computer Science 2021-02-15 Alexander Felfernig , Viet-Man Le , Andrei Popescu , Mathias Uta , Thi Ngoc Trang Tran , Müslüum Atas

Socially-based recommendation systems have recently attracted significant interest, and a number of studies have shown that social information can dramatically improve a system's predictions of user interests. Meanwhile, there are now many…

Information Retrieval · Computer Science 2015-06-19 Ko-Jen Hsiao , Alex Kulesza , Alfred Hero

Current state of the art algorithms for recommender systems are mainly based on collaborative filtering, which exploits user ratings to discover latent factors in the data. These algorithms unfortunately do not make effective use of other…

Information Retrieval · Computer Science 2020-10-15 Javier Maroto , Clément Vignac , Pascal Frossard