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Scaling deep learning recommendation models is an effective way to improve model expressiveness. Existing approaches often incur substantial computational overhead, making them difficult to deploy in large-scale industrial systems under…

With ever-increasing amounts of online information available, modeling and predicting individual preferences-for books or articles, for example-is becoming more and more important. Good predictions enable us to improve advice to users, and…

社会与信息网络 · 计算机科学 2017-02-06 Antonia Godoy-Lorite , Roger Guimera , Cristopher Moore , Marta Sales-Pardo

Session-based recommender systems typically focus on using only the triplet (user_id, timestamp, item_id) to make predictions of users' next actions. In this paper, we aim to utilize side information to help recommender systems catch…

信息检索 · 计算机科学 2024-06-04 Yukun Jiang , Leo Guo , Xinyi Chen , Jing Xi Liu

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)…

信息检索 · 计算机科学 2016-01-20 Xiaoxue Zhao , Jun Wang

How to make the best decision between the opinions and tastes of your friends and acquaintances? Therefore, recommender systems are used to solve such issues. The common algorithms use a similarity measure to predict active users' tastes…

信息检索 · 计算机科学 2019-08-16 Mostafa Khalaji , Nilufar Mohammadnejad

With the advent of online social networks, recommender systems have became crucial for the success of many online applications/services due to their significance role in tailoring these applications to user-specific needs or preferences.…

社会与信息网络 · 计算机科学 2014-08-05 Rana Forsati , Mehrdad Mahdavi , Mehrnoush Shamsfard , Mohamed Sarwat

Recommender system has attracted lots of attentions since it helps users alleviate the information overload problem. Matrix factorization technique is one of the most widely employed collaborative filtering techniques in the research of…

信息检索 · 计算机科学 2014-05-06 Yonghong Yu , Can Wang , Yang Gao

Existing collaborative ranking based recommender systems tend to perform best when there is enough observed ratings for each user and the observation is made completely at random. Under this setting recommender systems can properly suggest…

机器学习 · 计算机科学 2015-11-18 Iman Barjasteh , Rana Forsati , Abdol-Hossein Esfahanian , Hayder Radha

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…

机器学习 · 计算机科学 2019-06-03 Dimitrios Rafailidis

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…

信息检索 · 计算机科学 2022-06-03 Peiyu Liu , Junping Du , Zhe Xue , Ang Li

Context-aware recommender systems (CARSs) apply sensing and analysis of user context in order to provide personalized services. Adding context to a recommendation model is challenging, since the addition of context may increases both the…

机器学习 · 计算机科学 2020-08-07 Amit Livne , Moshe Unger , Bracha Shapira , Lior Rokach

A standard approach to Collaborative Filtering (CF), i.e. prediction of user ratings on items, relies on Matrix Factorization techniques. Representations for both users and items are computed from the observed ratings and used for…

信息检索 · 计算机科学 2015-06-23 Gabriella Contardo , Ludovic Denoyer , Thierry Artieres

Sequential recommendation predicts users' next behaviors with their historical interactions. Recommending with longer sequences improves recommendation accuracy and increases the degree of personalization. As sequences get longer, existing…

信息检索 · 计算机科学 2022-09-05 Qianying Lin , Wen-Ji Zhou , Yanshi Wang , Qing Da , Qing-Guo Chen , Bing Wang

Relationship inference from sparse data is an important task with applications ranging from product recommendation to drug discovery. A recently proposed linear model for sparse matrix completion has demonstrated surprising advantage in…

机器学习 · 计算机科学 2024-03-14 Aleksandar Poleksic

Implicit feedback is widely explored by modern recommender systems. Since the feedback is often sparse and imbalanced, it poses great challenges to the learning of complex interactions among users and items. Metric learning has been…

信息检索 · 计算机科学 2021-03-30 Yanchao Tan , Carl Yang , Xiangyu Wei , Yun Ma , Xiaolin Zheng

Recently, Generative Adversarial Networks (GANs) have been applied to the problem of Cold-Start Recommendation, but the training performance of these models is hampered by the extreme sparsity in warm user purchase behavior. In this paper…

信息检索 · 计算机科学 2022-01-31 Aksheshkumar Ajaykumar Shah , Hemanth Venkateswara

Recommender systems, inferring users' preferences from their historical activities and personal profiles, have been an enormous success in the last several years. Most of the existing works are based on the similarities of users, objects or…

社会与信息网络 · 计算机科学 2017-11-29 Xiaofang Deng , Leilei Wu , Xiaolong Ren , Chunxiao Jia , Yuansheng Zhong , Linyuan Lü

Personalized fashion recommendation is a difficult task because 1) the decisions are highly correlated with users' aesthetic appetite, which previous work frequently overlooks, and 2) many new items are constantly rolling out that cause…

信息检索 · 计算机科学 2025-01-07 Chongxian Chen , Fan Mo , Xin Fan , Hayato Yamana

Recommender systems (RSs) provide an effective way of alleviating the information overload problem by selecting personalized items for different users. Latent factors based collaborative filtering (CF) has become the popular approaches for…

信息检索 · 计算机科学 2021-01-15 Guang-Neng Hu , Xin-Yu Dai , Feng-Yu Qiu , Rui Xia , Tao Li , Shu-Jian Huang , Jia-Jun Chen

When a user connects to the Internet to fulfill his needs, he often encounters a huge amount of related information. Recommender systems are the techniques for massively filtering information and offering the items that users find them…

机器学习 · 计算机科学 2021-07-15 Mahdi Kherad , Amir Jalaly Bidgoly