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Extracting demographic features from hidden factors is an innovative concept that provides multiple and relevant applications. The matrix factorization model generates factors which do not incorporate semantic knowledge. This paper provides…

Information Retrieval · Computer Science 2020-12-22 Jesús Bobadilla , Ángel González-Prieto , Fernando Ortega , Raúl Lara-Cabrera

Recommender systems are a class of machine learning algorithms that provide relevant recommendations to a user based on the user's interaction with similar items or based on the content of the item. In settings where the content of the item…

Information Retrieval · Computer Science 2020-10-27 Xavier Thomas

In this work, we present a federated version of the state-of-the-art Neural Collaborative Filtering (NCF) approach for item recommendations. The system, named FedNCF, enables learning without requiring users to disclose or transmit their…

Information Retrieval · Computer Science 2022-02-17 Vasileios Perifanis , Pavlos S. Efraimidis

The music domain is among the most important ones for adopting recommender systems technology. In contrast to most other recommendation domains, which predominantly rely on collaborative filtering (CF) techniques, music recommenders have…

Information Retrieval · Computer Science 2023-01-03 Yashar Deldjoo , Markus Schedl , Peter Knees

Deep neural networks have shown promise in collaborative filtering (CF). However, existing neural approaches are either user-based or item-based, which cannot leverage all the underlying information explicitly. We propose CF-UIcA, a neural…

Machine Learning · Computer Science 2018-07-06 Chao Du , Chongxuan Li , Yin Zheng , Jun Zhu , Bo Zhang

Online streaming services have become the most popular way of listening to music. The majority of these services are endowed with recommendation mechanisms that help users to discover songs and artists that may interest them from the vast…

Information Retrieval · Computer Science 2020-08-27 Diego Sánchez-Moreno , Yong Zheng , María N. Moreno-García

Generative models have shown great promise in collaborative filtering by capturing the underlying distribution of user interests and preferences. However, existing approaches struggle with inaccurate posterior approximations and…

Information Retrieval · Computer Science 2025-09-08 Chengkai Liu , Yangtian Zhang , Jianling Wang , Rex Ying , James Caverlee

Learning accurate users and news representations is critical for news recommendation. Despite great progress, existing methods seem to have a strong bias towards content representation or just capture collaborative filtering relationship.…

Information Retrieval · Computer Science 2021-10-26 Yong Gao , Huifeng Guo , Dandan Lin , Yingxue Zhang , Ruiming Tang , Xiuqiang He

In recent years, deep learning has gained an indisputable success in computer vision, speech recognition, and natural language processing. After its rising success on these challenging areas, it has been studied on recommender systems as…

Information Retrieval · Computer Science 2019-10-01 Ezgi Yıldırım , Payam Azad , Şule Gündüz Öğüdücü

Recently, recommender systems play a pivotal role in alleviating the problem of information overload. Latent factor models have been widely used for recommendation. Most existing latent factor models mainly utilize the interaction…

Information Retrieval · Computer Science 2019-09-17 Chuan Shi , Xiaotian Han , Li Song , Xiao Wang , Senzhang Wang , Junping Du , Philip S. Yu

The item cold-start problem is critical for online recommendation systems, as the success of this phase determines whether high-quality new items can transition to popular ones, receive essential feedback to inspire creators, and thus lead…

Information Retrieval · Computer Science 2025-06-19 Yu-Ting Lan , Yang Huo , Yi Shen , Xiao Yang , Zuotao Liu

As one of major challenges, cold-start problem plagues nearly all recommender systems. In particular, new items will be overlooked, impeding the development of new products online. Given limited resources, how to utilize the knowledge of…

Information Retrieval · Computer Science 2015-06-19 Jin-Hu Liu , Tao Zhou , Zi-Ke Zhang , Zimo Yang , Chuang Liu , Wei-Min Li

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

Matrix factorization (MF) is a simple collaborative filtering technique that achieves superior recommendation accuracy by decomposing the user-item interaction matrix into user and item latent matrices. Because the model typically learns…

Information Retrieval · Computer Science 2024-03-11 Kai Sugahara , Kazushi Okamoto

Among the machine learning applications to business, recommender systems would take one of the top places when it comes to success and adoption. They help the user in accelerating the process of search while helping businesses maximize…

Information Retrieval · Computer Science 2019-07-23 Kiran Rama , Pradeep Kumar , Bharat Bhasker

Knowledge graph (KG) based Collaborative Filtering is an effective approach to personalizing recommendation systems for relatively static domains such as movies and books, by leveraging structured information from KG to enrich both item and…

Information Retrieval · Computer Science 2022-04-05 Weizhe Lin , Linjun Shou , Ming Gong , Pei Jian , Zhilin Wang , Bill Byrne , Daxin Jiang

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

Generative models have emerged as a promising utility to enhance recommender systems. It is essential to model both item content and user-item collaborative interactions in a unified generative framework for better recommendation. Although…

Information Retrieval · Computer Science 2024-11-13 Yidan Wang , Zhaochun Ren , Weiwei Sun , Jiyuan Yang , Zhixiang Liang , Xin Chen , Ruobing Xie , Su Yan , Xu Zhang , Pengjie Ren , Zhumin Chen , Xin Xin

In a variety of application domains the content to be recommended to users is associated with text. This includes research papers, movies with associated plot summaries, news articles, blog posts, etc. Recommendation approaches based on…

Machine Learning · Statistics 2016-09-12 Trapit Bansal , David Belanger , Andrew McCallum

Current recommendation systems often tend to overlook emotional context and rely on historical listening patterns or static mood tags. This paper introduces a novel music recommendation framework employing a variant of Wide and Deep…

Information Retrieval · Computer Science 2025-10-28 Apoorva Chavali , Reeve Menezes