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Recommender systems have become the dominant means of curating cultural content, significantly influencing the nature of individual cultural experience. While the majority of research on recommender systems optimizes for personalized user…

Computers and Society · Computer Science 2022-08-04 Andres Ferraro , Gustavo Ferreira , Fernando Diaz , Georgina Born

Recommender systems often rely on models which are trained to maximize accuracy in predicting user preferences. When the systems are deployed, these models determine the availability of content and information to different users. The gap…

Machine Learning · Computer Science 2021-02-02 Sarah Dean , Sarah Rich , Benjamin Recht

The design of algorithms that generate personalized ranked item lists is a central topic of research in the field of recommender systems. In the past few years, in particular, approaches based on deep learning (neural) techniques have…

Information Retrieval · Computer Science 2021-01-08 Maurizio Ferrari Dacrema , Simone Boglio , Paolo Cremonesi , Dietmar Jannach

Recommender systems are software applications that help users to find items of interest in situations of information overload. Current research often assumes a one-shot interaction paradigm, where the users' preferences are estimated based…

Human-Computer Interaction · Computer Science 2021-06-01 Dietmar Jannach , Ahtsham Manzoor , Wanling Cai , Li Chen

Crowdsourcing systems aggregate decisions of many people to help users quickly identify high-quality options, such as the best answers to questions or interesting news stories. A long-standing issue in crowdsourcing is how option quality…

Social and Information Networks · Computer Science 2020-10-28 Keith Burghardt , Tad Hogg , Raissa M. D'Souza , Kristina Lerman , Marton Posfai

Sequential recommender systems aim to predict users' next interested item given their historical interactions. However, a long-standing issue is how to distinguish between users' long/short-term interests, which may be heterogeneous and…

Information Retrieval · Computer Science 2023-03-14 Muyang Li , Zijian Zhang , Xiangyu Zhao , Wanyu Wang , Minghao Zhao , Runze Wu , Ruocheng Guo

The essence of sequential recommender systems (RecSys) lies in understanding how users make decisions. Most existing approaches frame the task as sequential prediction based on users' historical purchase records. While effective in…

Information Retrieval · Computer Science 2024-09-11 Xiaoyu Liu , Jiaxin Yuan , Yuhang Zhou , Jingling Li , Furong Huang , Wei Ai

Recommendation systems are ubiquitous and impact many domains; they have the potential to influence product consumption, individuals' perceptions of the world, and life-altering decisions. These systems are often evaluated or trained with…

Computers and Society · Computer Science 2018-11-28 Allison J. B. Chaney , Brandon M. Stewart , Barbara E. Engelhardt

Sequential recommender systems are an important and demanded area of research. Such systems aim to use the order of interactions in a user's history to predict future interactions. The premise is that the order of interactions and…

Information Retrieval · Computer Science 2024-08-23 Anton Klenitskiy , Anna Volodkevich , Anton Pembek , Alexey Vasilev

In 2010, Web users ordered, only in Amazon, 73 items per second and massively contribute reviews about their consuming experience. As the Web matures and becomes social and participatory, collaborative filters are the basic complement in…

Information Retrieval · Computer Science 2011-12-13 Vafopoulos Michalis , Oikonomou Michael

Academic research in recommender systems has been greatly focusing on the accuracy-related measures of recommendations. Even when non-accuracy measures such as popularity bias, diversity, and novelty are studied, it is often solely from the…

Information Retrieval · Computer Science 2020-07-03 Himan Abdollahpouri , Masoud Mansoury

The task of item recommendation requires ranking a large catalogue of items given a context. Item recommendation algorithms are evaluated using ranking metrics that depend on the positions of relevant items. To speed up the computation of…

Information Retrieval · Computer Science 2019-12-06 Steffen Rendle

Sequential recommendation refers to recommending the next item of interest for a specific user based on his/her historical behavior sequence up to a certain time. While previous research has extensively examined Markov chain-based…

Information Retrieval · Computer Science 2025-01-06 DongYu Du , Yue Chan

Many applications, e.g., Web service composition, complex system design, team formation, etc., rely on methods for identifying collections of objects or entities satisfying some functional requirement. Among the collections that satisfy the…

Artificial Intelligence · Computer Science 2014-01-17 Ganesh Ram Santhanam , Samik Basu , Vasant Honavar

Recommender systems influence many of our interactions in the digital world -- impacting how we shop for clothes, sorting what we see when browsing YouTube or TikTok, and determining which restaurants and hotels we are shown when using…

Information Retrieval · Computer Science 2023-08-31 Sahil Verma , Chirag Shah , John P. Dickerson , Anurag Beniwal , Narayanan Sadagopan , Arjun Seshadri

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

Providing recommendations that are both relevant and diverse is a key consideration of modern recommender systems. Optimizing both of these measures presents a fundamental trade-off, as higher diversity typically comes at the cost of…

Information Retrieval · Computer Science 2024-08-08 Erica Coppolillo , Giuseppe Manco , Aristides Gionis

Recommendation systems have become essential in modern music streaming platforms, due to the vast amount of content available. A common approach in recommendation systems is collaborative filtering, which suggests content to users based on…

Information Retrieval · Computer Science 2026-03-13 Terence Zeng

Recommender systems have gained increasing attention to personalise consumer preferences. While these systems have primarily focused on applications such as advertisement recommendations (e.g., Google), personalized suggestions (e.g.,…

Information Retrieval · Computer Science 2023-12-12 Kelley Ann Yohe

Users consume their favorite content in temporal proximity of consumption bundles according to their preferences and tastes. Thus, the underlying attributes of items implicitly match user preferences, however, current recommender systems…

Information Retrieval · Computer Science 2018-10-23 Arun Kumar , Karan Aggarwal , Paul Schrater