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Recommender systems remain an essential topic due to its wide application and business potential. Given the great generation capability exhibited by diffusion models in computer vision recently, many recommender systems have adopted…

Information Retrieval · Computer Science 2026-03-03 Ting-Ruen Wei , Yi Fang

The amount of content on online music streaming platforms is immense, and most users only access a tiny fraction of this content. Recommender systems are the application of choice to open up the collection to these users. Collaborative…

Information Retrieval · Computer Science 2017-08-23 Cedric De Boom , Rohan Agrawal , Samantha Hansen , Esh Kumar , Romain Yon , Ching-Wei Chen , Thomas Demeester , Bart Dhoedt

In this paper, we propose a theoretically founded sequential strategy for training large-scale Recommender Systems (RS) over implicit feedback, mainly in the form of clicks. The proposed approach consists in minimizing pairwise ranking loss…

Information Retrieval · Computer Science 2020-12-15 Aleksandra Burashnikova , Marianne Clausel , Charlotte Laclau , Frack Iutzeller , Yury Maximov , Massih-Reza Amini

Ranking, recommendation, and retrieval systems are widely used in online platforms and other societal systems, including e-commerce, media-streaming, admissions, gig platforms, and hiring. In the recent past, a large "fair ranking" research…

Information Retrieval · Computer Science 2022-02-01 Gourab K Patro , Lorenzo Porcaro , Laura Mitchell , Qiuyue Zhang , Meike Zehlike , Nikhil Garg

Recommender systems (RSs) are intelligent filtering methods that suggest items to users based on their inferred preferences, derived from their interaction history on the platform. Collaborative filtering-based RSs rely on users past…

Information Retrieval · Computer Science 2025-11-03 Alireza Gharahighehi , Felipe Kenji Nakano , Xuehua Yang , Wenhan Cu , Celine Vens

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

Data and algorithm sharing is an imperative part of data and AI-driven economies. The efficient sharing of data and algorithms relies on the active interplay between users, data providers, and algorithm providers. Although recommender…

Information Retrieval · Computer Science 2022-10-27 Peter Müllner , Stefan Schmerda , Dieter Theiler , Stefanie Lindstaedt , Dominik Kowald

In this paper we consider the collaborative ranking setting: a pool of users each provides a small number of pairwise preferences between $d$ possible items; from these we need to predict preferences of the users for items they have not yet…

Machine Learning · Statistics 2015-07-17 Dohyung Park , Joe Neeman , Jin Zhang , Sujay Sanghavi , Inderjit S. Dhillon

Finding relevant publications is important for scientists who have to cope with exponentially increasing numbers of scholarly material. Algorithms can help with this task as they help for music, movie, and product recommendations. However,…

Information Retrieval · Computer Science 2016-09-28 Titipat Achakulvisut , Daniel E. Acuna , Tulakan Ruangrong , Konrad Kording

The enormous development of the Internet, both in the geographical scale and in the area of using its possibilities in everyday life, determines the creation and collection of huge amounts of data. Due to the scale, it is not possible to…

Information Retrieval · Computer Science 2024-02-15 Michał Malinowski

Recommender systems play a pivotal role in helping users navigate an overwhelming selection of products and services. On online platforms, users have the opportunity to share feedback in various modes, including numerical ratings, textual…

Information Retrieval · Computer Science 2025-05-27 Emrul Hasan , Mizanur Rahman , Chen Ding , Jimmy Xiangji Huang , Shaina Raza

As the growing interest of web recommendation systems those are applied to deliver customized data for their users, we started working on this system. Generally the recommendation systems are divided into two major categories such as…

Information Retrieval · Computer Science 2013-12-02 Ujwala Wanaskar , Sheetal Vij , Debajyoti Mukhopadhyay

In this paper, we propose a robust sequential learning strategy for training large-scale Recommender Systems (RS) over implicit feedback mainly in the form of clicks. Our approach relies on the minimization of a pairwise ranking loss over…

Information Retrieval · Computer Science 2021-09-15 Alexandra Burashnikova , Yury Maximov , Massih-Reza Amini

Research on recommender systems algorithms, like other areas of applied machine learning, is largely dominated by efforts to improve the state-of-the-art, typically in terms of accuracy measures. Several recent research works however…

Information Retrieval · Computer Science 2022-05-16 Vito Walter Anelli , Alejandro Bellogín , Tommaso Di Noia , Dietmar Jannach , Claudio Pomo

Waterfall Recommender System (RS), a popular form of RS in mobile applications, is a stream of recommended items consisting of successive pages that can be browsed by scrolling. In waterfall RS, when a user finishes browsing a page, the…

Information Retrieval · Computer Science 2022-06-27 Xufeng Qian , Yue Xu , Fuyu Lv , Shengyu Zhang , Ziwen Jiang , Qingwen Liu , Xiaoyi Zeng , Tat-Seng Chua , Fei Wu

Shortlisting is the task of reducing a long list of alternatives to a (smaller) set of best or most suitable alternatives. Shortlisting is often used in the nomination process of awards or in recommender systems to display featured objects.…

Computer Science and Game Theory · Computer Science 2022-11-22 Martin Lackner , Jan Maly

The primary goal in recommendation is to suggest relevant content to users, but optimizing for accuracy often results in recommendations that lack diversity. To remedy this, conventional approaches such as re-ranking improve diversity by…

Machine Learning · Computer Science 2023-06-12 Itay Eilat , Nir Rosenfeld

Embedding models, which learn latent representations of users and items based on user-item interaction patterns, are a key component of recommendation systems. In many applications, contextual constraints need to be applied to refine…

Information Retrieval · Computer Science 2019-07-04 Syrine Krichene , Mike Gartrell , Clement Calauzenes

In this work, we discuss a recently popular type of recommender system: an LLM-based coding assistant. Connecting the task of providing code recommendations in multiple formats to traditional RecSys challenges, we outline several…

Information Retrieval · Computer Science 2024-08-13 Jan Hartman , Rishabh Mehrotra , Hitesh Sagtani , Dominic Cooney , Rafal Gajdulewicz , Beyang Liu , Julie Tibshirani , Quinn Slack

Recommender systems apply data mining techniques and prediction algorithms to predict users' interest on information, products and services among the tremendous amount of available items. The vast growth of information on the Internet as…

Information Retrieval · Computer Science 2016-11-25 Dhoha Almazro , Ghadeer Shahatah , Lamia Albdulkarim , Mona Kherees , Romy Martinez , William Nzoukou