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Related papers: Disentangled Representation for Diversified Recomm…

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Discovering user preferences across different domains is pivotal in cross-domain recommendation systems, particularly when platforms lack comprehensive user-item interactive data. The limited presence of shared users often hampers the…

Information Retrieval · Computer Science 2025-06-10 Zongyi Xiang , Yan Zhang , Lixin Duan , Hongzhi Yin , Ivor W. Tsang

The challenge of balancing user relevance and content diversity in recommender systems is increasingly critical amid growing concerns about content homogeneity and reduced user engagement. In this work, we propose a novel framework that…

Information Retrieval · Computer Science 2025-06-30 Hiba Bederina , Jill-Jênn Vie

The group recommendation (GR) aims to suggest items for a group of users in social networks. Existing work typically considers individual preferences as the sole factor in aggregating group preferences. Actually, social influence is also an…

Information Retrieval · Computer Science 2025-04-16 Guangze Ye , Wen Wu , Guoqing Wang , Xi Chen , Hong Zheng , Liang He

Diversifying return results is an important research topic in retrieval systems in order to satisfy both the various interests of customers and the equal market exposure of providers. There has been growing attention on diversity-aware…

Information Retrieval · Computer Science 2024-02-20 Haolun Wu , Yansen Zhang , Chen Ma , Fuyuan Lyu , Bowei He , Bhaskar Mitra , Xue Liu

Recent works in recommendation systems have focused on diversity in recommendations as an important aspect of recommendation quality. In this work we argue that the post-processing algorithms aimed at only improving diversity among…

Computers and Society · Computer Science 2018-07-18 Jurek Leonhardt , Avishek Anand , Megha Khosla

Recently, real-world recommendation systems need to deal with millions of candidates. It is extremely challenging to conduct sophisticated end-to-end algorithms on the entire corpus due to the tremendous computation costs. Therefore,…

Information Retrieval · Computer Science 2021-10-15 Ruobing Xie , Qi Liu , Shukai Liu , Ziwei Zhang , Peng Cui , Bo Zhang , Leyu Lin

Recommendation systems capable of providing diverse sets of results are a focus of increasing importance, with motivations ranging from fairness to novelty and other aspects of optimizing user experience. One form of diversity of recent…

Data Structures and Algorithms · Computer Science 2024-07-15 Jon Kleinberg , Emily Ryu , Éva Tardos

Diversified recommendation has attracted increasing attention from both researchers and practitioners, which can effectively address the homogeneity of recommended items. Existing approaches predominantly aim to infer the diversity of user…

Information Retrieval · Computer Science 2026-01-07 Hanyang Yuan , Ning Tang , Tongya Zheng , Jiarong Xu , Xintong Hu , Renhong Huang , Shunyu Liu , Jiacong Hu , Jiawei Chen , Mingli Song

In this paper, we introduce a novel approach to improve the diversity of Top-N recommendations while maintaining accuracy. Our approach employs a user-centric pre-processing strategy aimed at exposing users to a wide array of content…

Information Retrieval · Computer Science 2025-02-05 Manel Slokom , Savvina Danil , Laura Hollink

Diversity is a commonly known principle in the design of recommender systems, but also ambiguous in its conceptualization. Through semi-structured interviews we explore how practitioners at three different public service media organizations…

Information Retrieval · Computer Science 2024-05-06 Sanne Vrijenhoek , Savvina Daniil , Jorden Sandel , Laura Hollink

A core research question in recommender systems is to propose batches of highly relevant and diverse items, that is, items personalized to the user's preferences, but which also might get the user out of their comfort zone. This diversity…

Information Retrieval · Computer Science 2026-02-03 Clémence Réda , Tomas Rigaux , Hiba Bederina , Koh Takeuchi , Hisashi Kashima , Jill-Jênn Vie

Unsupervised learning of disentangled representations has been closely tied to enhancing the representation intepretability of Recommender Systems (RSs). This has been achieved by making the representation of individual features more…

Information Retrieval · Computer Science 2025-02-03 Ervin Dervishaj , Tuukka Ruotsalo , Maria Maistro , Christina Lioma

Sequential recommender systems have achieved state-of-the-art recommendation performance by modeling the sequential dynamics of user activities. However, in most recommendation scenarios, the popular items comprise the major part of the…

Information Retrieval · Computer Science 2023-08-08 Yi Ren , Xu Zhao , Hongyan Tang , Shuai Li

As the last stage of a typical \textit{recommendation system}, \textit{collective recommendation} aims to give the final touches to the recommended items and their layout so as to optimize overall objectives such as diversity and whole-page…

Information Retrieval · Computer Science 2024-11-04 Shuai Xiao , Zaifan Jiang

Multi-behavioral recommender systems have emerged as a solution to address data sparsity and cold-start issues by incorporating auxiliary behaviors alongside target behaviors. However, existing models struggle to accurately capture varying…

Information Retrieval · Computer Science 2024-04-18 Zhiyong Cheng , Jianhua Dong , Fan Liu , Lei Zhu , Xun Yang , Meng Wang

Recommender systems must balance personalization, diversity, and robustness to cold-start scenarios to remain effective in dynamic content environments. This paper introduces an adaptive, exploration-based recommendation framework that…

Information Retrieval · Computer Science 2025-03-26 Edoardo Bianchi

As the use of online platforms continues to grow across all demographics, users often express a desire to feel represented in the content. To improve representation in search results and recommendations, we introduce end-to-end…

Information Retrieval · Computer Science 2023-05-29 Pedro Silva , Bhawna Juneja , Shloka Desai , Ashudeep Singh , Nadia Fawaz

Recommender systems have made significant strides in various industries, primarily driven by extensive efforts to enhance recommendation accuracy. However, this pursuit of accuracy has inadvertently given rise to echo chamber/filter bubble…

Information Retrieval · Computer Science 2024-02-07 Tao Zhang , Luwei Yang , Zhibo Xiao , Wen Jiang , Wei Ning

Disentangled representation has been widely explored in many fields due to its maximal compactness, interpretability and versatility. Recommendation system also needs disentanglement to make representation more explainable and general for…

Social and Information Networks · Computer Science 2020-10-27 Weiguang Chen , Wenjun Jiang , Xueqi Li , Kenli Li , Albert Zomaya , Guojun Wang

Current session-based recommender systems (SBRSs) mainly focus on maximizing recommendation accuracy, while few studies have been devoted to improve diversity beyond accuracy. Meanwhile, it is unclear how the accuracy-oriented SBRSs perform…

Information Retrieval · Computer Science 2023-06-01 Qing Yin , Hui Fang , Zhu Sun , Yew-Soon Ong