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This work explores the ability of collective matrix factorization models in recommender systems to make predictions about users and items for which there is side information available but no feedback or interactions data, and proposes a new…

Information Retrieval · Computer Science 2020-03-17 David Cortes

Recommender systems are increasingly used to predict and serve content that aligns with user taste, yet the task of matching new users with relevant content remains a challenge. We consider podcasting to be an emerging medium with rapid…

Information Retrieval · Computer Science 2020-07-28 Zahra Nazari , Christophe Charbuillet , Johan Pages , Martin Laurent , Denis Charrier , Briana Vecchione , Ben Carterette

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

A huge amount of user generated content related to movies is created with the popularization of web 2.0. With these continues exponential growth of data, there is an inevitable need for recommender systems as people find it difficult to…

Information Retrieval · Computer Science 2019-06-04 Lasitha Uyangoda , Supunmali Ahangama , Tharindu Ranasinghe

Traditional recommendation systems rely on past usage data in order to generate new recommendations. Those approaches fail to generate sensible recommendations for new users and items into the system due to missing information about their…

Information Retrieval · Computer Science 2017-06-20 Ivica Obadić , Gjorgji Madjarov , Ivica Dimitrovski , Dejan Gjorgjevikj

Solving cold-start problems is indispensable to provide meaningful recommendation results for new users and items. Under sparsely observed data, unobserved user-item pairs are also a vital source for distilling latent users' information…

Information Retrieval · Computer Science 2020-11-11 Riku Togashi , Mayu Otani , Shin'ichi Satoh

This paper proposes a cold start recommendation model that integrates contrastive learning, aiming to solve the problem of performance degradation of recommendation systems in cold start scenarios due to the scarcity of user and item…

Information Retrieval · Computer Science 2025-02-07 Jiacheng Hu , Tai An , Zidong Yu , Junliang Du , Yuanshuai Luo

Bundle recommendation aims to suggest a set of interconnected items to users. However, diverse interaction types and sparse interaction matrices often pose challenges for previous approaches in accurately predicting user-bundle adoptions.…

Information Retrieval · Computer Science 2024-12-25 Tuan-Nghia Bui , Huy-Son Nguyen , Cam-Van Nguyen Thi , Hoang-Quynh Le , Duc-Trong Le

Tripartite graph-based recommender systems markedly diverge from traditional models by recommending unique combinations such as user groups and item bundles. Despite their effectiveness, these systems exacerbate the longstanding cold-start…

Information Retrieval · Computer Science 2024-07-09 Linxin Guo , Yaochen Zhu , Min Gao , Yinghui Tao , Junliang Yu , Chen Chen

Recommender systems have become an essential instrument in a wide range of industries to personalize the user experience. A significant issue that has captured both researchers' and industry experts' attention is the cold start problem for…

Machine Learning · Computer Science 2020-12-03 Ivan Maksimov , Rodrigo Rivera-Castro , Evgeny Burnaev

Following the popularisation of media streaming, a number of video streaming services are continuously buying new video content to mine the potential profit from them. As such, the newly added content has to be handled well to be…

Information Retrieval · Computer Science 2022-01-04 Adolfo Almeida , Johan Pieter de Villiers , Allan De Freitas , Mergandran Velayudan

We study active correlation clustering where pairwise similarities are not provided upfront and must be queried in a cost-efficient manner through active learning. Specifically, we focus on the cold-start scenario, where no true initial…

Machine Learning · Computer Science 2026-03-10 Linus Aronsson , Han Wu , Morteza Haghir Chehreghani

A major challenge in recommender systems is handling new users, whom are also called $\textit{cold-start}$ users. In this paper, we propose a novel approach for learning an optimal series of questions with which to interview cold-start…

Information Retrieval · Computer Science 2018-06-19 Hima Varsha Dureddy , Zachary Kaden

The item cold-start problem is crucial for online recommender systems, as the success of the cold-start phase determines whether items can transition into popular ones. Prompt learning, a powerful technique used in natural language…

Information Retrieval · Computer Science 2024-12-25 Yuezihan Jiang , Gaode Chen , Wenhan Zhang , Jingchi Wang , Yinjie Jiang , Qi Zhang , Jingjian Lin , Peng Jiang , Kaigui Bian

In this work, we present an approach for mining user preferences and recommendation based on reviews. There have been various studies worked on recommendation problem. However, most of the studies beyond one aspect user generated- content…

Information Retrieval · Computer Science 2017-02-10 Xuan-Son Vu , Seong-Bae Park

Federated recommendation system usually trains a global model on the server without direct access to users' private data on their own devices. However, this separation of the recommendation model and users' private data poses a challenge in…

Information Retrieval · Computer Science 2024-02-27 Chunxu Zhang , Guodong Long , Tianyi Zhou , Zijian Zhang , Peng Yan , Bo Yang

The initial interaction of a user with a recommender system is problematic because, in such a so-called cold start situation, the recommender system has very little information about the user, if any. Moreover, in collaborative filtering,…

Information Retrieval · Computer Science 2023-10-17 Noa Tuval , Alain Hertz , Tsvi Kuflik

Cold-start item recommendation is a long-standing challenge in recommendation systems. A common remedy is to use a content-based approach, but rich information from raw contents in various forms has not been fully utilized. In this paper,…

Information Retrieval · Computer Science 2024-04-23 Jooeun Kim , Jinri Kim , Kwangeun Yeo , Eungi Kim , Kyoung-Woon On , Jonghwan Mun , Joonseok Lee

Bundle Recommendation (BR) aims at recommending bundled items on online content or e-commerce platform, such as song lists on a music platform or book lists on a reading website. Several graph based models have achieved state-of-the-art…

Information Retrieval · Computer Science 2022-12-22 Shixuan Zhu , Qi Shen , Yiming Zhang , Zhenwei Dong , Zhihua Wei

In business domains, \textit{bundling} is one of the most important marketing strategies to conduct product promotions, which is commonly used in online e-commerce and offline retailers. Existing recommender systems mostly focus on…

Information Retrieval · Computer Science 2021-04-13 Qilin Deng , Kai Wang , Minghao Zhao , Zhene Zou , Runze Wu , Jianrong Tao , Changjie Fan , Liang Chen