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Modern recommender systems operate in uniquely dynamic settings: user interests, item pools, and popularity trends shift continuously, and models must adapt in real time without forgetting past preferences. While existing tutorials on…

Information Retrieval · Computer Science 2025-07-08 Hyunsik Yoo , SeongKu Kang , Hanghang Tong

In this technical survey, we comprehensively summarize the latest advancements in the field of recommender systems. The objective of this study is to provide an overview of the current state-of-the-art in the field and highlight the latest…

Information Retrieval · Computer Science 2023-07-06 Yang Li , Kangbo Liu , Ranjan Satapathy , Suhang Wang , Erik Cambria

Recommender Systems (RS) currently represent a fundamental tool in online services, especially with the advent of Online Social Networks (OSN). In this case, users generate huge amounts of contents and they can be quickly overloaded by…

Information Retrieval · Computer Science 2023-07-06 Mattia Giovanni Campana , Franca Delmastro

As information filtering services, recommender systems have extremely enriched our daily life by providing personalized suggestions and facilitating people in decision-making, which makes them vital and indispensable to human society in the…

Information Retrieval · Computer Science 2023-06-02 Di Jin , Luzhi Wang , He Zhang , Yizhen Zheng , Weiping Ding , Feng Xia , Shirui Pan

Recommender systems are crucial tools to overcome the information overload brought about by the Internet. Rigorous tests are needed to establish to what extent sophisticated methods can improve the quality of the predictions. Here we…

Information Retrieval · Computer Science 2007-09-19 Marcel Blattner , Alexander Hunziker , Paolo Laureti

Recommender systems are personalized information access applications; they are ubiquitous in today's online environment, and effective at finding items that meet user needs and tastes. As the reach of recommender systems has extended, it…

Providing customized products and services in the modern business world is one of the most efficient solutions to improve users' experience and their engagements with the industries. To aim, recommender systems, by producing personalized…

Information Retrieval · Computer Science 2025-08-05 Ali Fallahi , Azam Bastanfard , Amineh Amini , Hadi Saboohi

Recommender systems have generated tremendous value for both users and businesses, drawing significant attention from academia and industry alike. However, due to practical constraints, academic research remains largely confined to offline…

Information Retrieval · Computer Science 2025-09-09 Kuan Zou , Aixin Sun

The early development and deployment of hospital and healthcare information systems have encouraged the ongoing digitization of processes in hospitals. Many of these processes, which previously required paperwork and telephone arrangements,…

Computers and Society · Computer Science 2022-09-09 Daniel Schlör , Andreas Hotho

Current practice for evaluating recommender systems typically focuses on point estimates of user-oriented effectiveness metrics or business metrics, sometimes combined with additional metrics for considerations such as diversity and…

Information Retrieval · Computer Science 2023-09-13 Michael D. Ekstrand , Ben Carterette , Fernando Diaz

Driven by the need to capture users' evolving interests and optimize their long-term experiences, more and more recommender systems have started to model recommendation as a Markov decision process and employ reinforcement learning to…

Information Retrieval · Computer Science 2021-11-02 Dell Zhang , Jun Wang

Recommender Systems are nowadays successfully used by all major web sites (from e-commerce to social media) to filter content and make suggestions in a personalized way. Academic research largely focuses on the value of recommenders for…

Information Retrieval · Computer Science 2019-12-18 Dietmar Jannach , Michael Jugovac

Many of today's online services provide personalized recommendations to their users. Such recommendations are typically designed to serve certain user needs, e.g., to quickly find relevant content in situations of information overload.…

Information Retrieval · Computer Science 2023-12-25 Alvise De Biasio , Nicolò Navarin , Dietmar Jannach

Recommender systems research is concerned with many aspects of recommender system behavior and effects than simply its effectiveness, and simulation can be a powerful tool for uncovering these effects. In this brief position paper, I…

Information Retrieval · Computer Science 2021-10-05 Michael D. Ekstrand

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

Recommendation represents a vital stage in developing and promoting the benefits of the Internet of Things (IoT). Traditional recommender systems fail to exploit ever-growing, dynamic, and heterogeneous IoT data. This paper presents a…

Information Retrieval · Computer Science 2020-07-15 May Altulyan , Lina Yao , Xianzhi Wang , Chaoran Huang , Salil S Kanhere , Quan Z Sheng

The information that mobiles can access becomes very wide nowadays, and the user is faced with a dilemma: there is an unlimited pool of information available to him but he is unable to find the exact information he is looking for. This is…

Information Retrieval · Computer Science 2013-05-09 Djallel Bouneffouf

Recommender systems are present in many web applications to guide our choices. They increase sales and benefit sellers, but whether they benefit customers by providing relevant products is questionable. Here we introduce a model to examine…

Computers and Society · Computer Science 2017-01-27 Chi Ho Yeung

We increasingly depend on a variety of data-driven algorithmic systems to assist us in many aspects of life. Search engines and recommender systems amongst others are used as sources of information and to help us in making all sort of…

Databases · Computer Science 2021-09-01 Evaggelia Pitoura , Kostas Stefanidis , Georgia Koutrika

Globally, recommendation services have become important due to the fact that they support e-commerce applications and different research communities. Recommender systems have a large number of applications in many fields including economic,…

Information Retrieval · Computer Science 2020-09-01 Xiaomei Bai , Mengyang Wang , Ivan Lee , Zhuo Yang , Xiangjie Kong , Feng Xia