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This paper studies recommender systems with knowledge graphs, which can effectively address the problems of data sparsity and cold start. Recently, a variety of methods have been developed for this problem, which generally try to learn…

Information Retrieval · Computer Science 2022-01-10 Weiping Song , Zhijian Duan , Ziqing Yang , Hao Zhu , Ming Zhang , Jian Tang

The data scarcity of user preferences and the cold-start problem often appear in real-world applications and limit the recommendation accuracy of collaborative filtering strategies. Leveraging the selections of social friends and foes can…

Machine Learning · Computer Science 2019-06-03 Dimitrios Rafailidis

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

Real-world item recommenders commonly suffer from a persistent cold-start problem which is caused by dynamically changing users and items. In order to overcome the problem, several context-aware recommendation techniques have been recently…

Machine Learning · Computer Science 2016-07-12 Takuya Kitazawa

Many e-commerce websites use recommender systems to recommend items to users. When a user or item is new, the system may fail because not enough information is available on this user or item. Various solutions to this `cold-start problem'…

Information Retrieval · Computer Science 2015-08-06 Lucas Bernardi , Jaap Kamps , Julia Kiseleva , Melanie JI Müller

In this paper, we present a theoretical framework for tackling the cold-start collaborative filtering problem, where unknown targets (items or users) keep coming to the system, and there is a limited number of resources (users or items)…

Information Retrieval · Computer Science 2016-01-20 Xiaoxue Zhao , Jun Wang

Collaborative filtering is used to recommend items to a user without requiring a knowledge of the item itself and tends to outperform other techniques. However, collaborative filtering suffers from the cold-start problem, which occurs when…

Machine Learning · Computer Science 2014-06-10 Michael R. Smith , Tony Martinez , Michael Gashler

Matrix factorization techniques have been widely used as a method for collaborative filtering for recommender systems. In recent times, different variants of deep learning algorithms have been explored in this setting to improve the task of…

Machine Learning · Computer Science 2019-03-26 Vaibhav Krishna , Tian Guo , Nino Antulov-Fantulin

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

Recommender systems are considered one of the most rapidly growing branches of Artificial Intelligence. The demand for finding more efficient techniques to generate recommendations becomes urgent. However, many recommendations become…

Machine Learning · Computer Science 2022-11-17 Eyad Kannout , Hung Son Nguyen , Marek Grzegorowski

Active learning promises to improve annotation efficiency by iteratively selecting the most important data to be annotated first. However, we uncover a striking contradiction to this promise: active learning fails to select data as…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Liangyu Chen , Yutong Bai , Siyu Huang , Yongyi Lu , Bihan Wen , Alan L. Yuille , Zongwei Zhou

Serverless computing abstracts away server management, enabling automatic scaling, efficient resource utilization, and cost-effective pricing models. However, despite these advantages, it faces the significant challenge of cold-start…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-29 Syed Salauddin Mohammad Tariq , Ali Al Zein , Soumya Sripad Vaidya , Arati Khanolkar , Zheng Song , Probir Roy

Current state of the art algorithms for recommender systems are mainly based on collaborative filtering, which exploits user ratings to discover latent factors in the data. These algorithms unfortunately do not make effective use of other…

Information Retrieval · Computer Science 2020-10-15 Javier Maroto , Clément Vignac , Pascal Frossard

Matrix factorization from a small number of observed entries has recently garnered much attention as the key ingredient of successful recommendation systems. One unresolved problem in this area is how to adapt current methods to handle…

Machine Learning · Computer Science 2012-08-07 John Z. Sun , Kush R. Varshney , Karthik Subbian

With the rapid development of information technology, "information overload" has become the main theme that plagues people's online life. As an effective tool to help users quickly search for useful information, a personalized…

Information Retrieval · Computer Science 2022-06-03 Peiyu Liu , Junping Du , Zhe Xue , Ang Li

The cold-start issue is the challenge when we talk about recommender systems, especially in the case when we do not have the past interaction data of new users or new items. Content-based features or hybrid solutions are common as…

Information Retrieval · Computer Science 2025-09-17 Yushang Zhao , Xinyue Han , Qian Leng , Qianyi Sun , Haotian Lyu , Chengrui Zhou

The increasing role of recommender systems in many aspects of society makes it essential to consider how such systems may impact social good. Various modifications to recommendation algorithms have been proposed to improve their performance…

Information Retrieval · Computer Science 2019-01-29 Bashir Rastegarpanah , Krishna P. Gummadi , Mark Crovella

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

We consider the problem of matrix completion with side information (\textit{inductive matrix completion}). In real-world applications many side-channel features are typically non-informative making feature selection an important part of the…

Machine Learning · Statistics 2018-10-09 Ivan Nazarov , Boris Shirokikh , Maria Burkina , Gennady Fedonin , Maxim Panov

Recommender systems have become an essential tool to help resolve the information overload problem in recent decades. Traditional recommender systems, however, suffer from data sparsity and cold start problems. To address these issues, a…

Information Retrieval · Computer Science 2020-07-21 Zhu Sun , Qing Guo , Jie Yang , Hui Fang , Guibing Guo , Jie Zhang , Robin Burke
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