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This paper addresses key challenges in enhancing recommendation systems by leveraging Graph Neural Networks (GNNs) and addressing inherent limitations such as over-smoothing, which reduces model effectiveness as network hierarchy deepens.…

信息检索 · 计算机科学 2024-12-05 Wenyi Liu , Ziqi Zhang , Xinshi Li , Jiacheng Hu , Yuanshuai Luo , Junliang Du

News recommendation is a core technique used by many online news platforms. Recommending high-quality news to users is important for keeping good user experiences and news platforms' reputations. However, existing news recommendation…

信息检索 · 计算机科学 2022-03-01 Chuhan Wu , Fangzhao Wu , Tao Qi , Yongfeng Huang

Collaborative filtering methods based on graph neural networks (GNNs) have witnessed significant success in recommender systems (RS), capitalizing on their ability to capture collaborative signals within intricate user-item relationships…

信息检索 · 计算机科学 2024-04-16 Wei Wu , Chao Wang , Dazhong Shen , Chuan Qin , Liyi Chen , Hui Xiong

The efficiency of top-K item recommendation based on implicit feedback are vital to recommender systems in real world, but it is very challenging due to the lack of negative samples and the large number of candidate items. To address the…

信息检索 · 计算机科学 2019-06-06 Haoyu Wang , Defu Lian , Yong Ge

Social recommendation task aims to predict users' preferences over items with the incorporation of social connections among users, so as to alleviate the sparse issue of collaborative filtering. While many recent efforts show the…

信息检索 · 计算机科学 2021-10-11 Chao Huang , Huance Xu , Yong Xu , Peng Dai , Lianghao Xia , Mengyin Lu , Liefeng Bo , Hao Xing , Xiaoping Lai , Yanfang Ye

Standard collaborative filtering approaches for top-N recommendation are biased toward popular items. As a result, they recommend items that users are likely aware of and under-represent long-tail items. This is inadequate, both for…

信息检索 · 计算机科学 2018-03-02 Zainab Zolaktaf , Reza Babanezhad , Rachel Pottinger

Social media plays a crucial role in shaping society, often amplifying polarization and spreading misinformation. These effects stem from complex dynamics involving user interactions, individual traits, and recommender algorithms driving…

Graph Neural Networks have been extensively applied in the field of machine learning to find features of graphs, and recommendation systems are no exception. The ratings of users on considered items can be represented by graphs which are…

信息检索 · 计算机科学 2025-03-28 Tin T. Tran , V. Snasel

Disinformation and fake news have posed detrimental effects on individuals and society in recent years, attracting broad attention to fake news detection. The majority of existing fake news detection algorithms focus on mining news content…

社会与信息网络 · 计算机科学 2021-04-27 Yingtong Dou , Kai Shu , Congying Xia , Philip S. Yu , Lichao Sun

Recommendation models utilizing Graph Convolutional Networks (GCNs) have achieved state-of-the-art performance, as they can integrate both the node information and the topological structure of the user-item interaction graph. However, these…

信息检索 · 计算机科学 2022-11-28 Xin Zhou , Donghui Lin , Yong Liu , Chunyan Miao

Collaborative filtering is a broad and powerful framework for building recommendation systems that has seen widespread adoption. Over the past decade, the propensity of such systems for favoring popular products and thus creating echo…

信息检索 · 计算机科学 2017-02-20 Arda Antikacioglu , R Ravi

Graph Neural Networks (GNNs), especially message-passing-based models, have become prominent in top-k recommendation tasks, outperforming matrix factorization models due to their ability to efficiently aggregate information from a broader…

信息检索 · 计算机科学 2024-07-12 Yannis Karmim , Elias Ramzi , Raphaël Fournier-S'niehotta , Nicolas Thome

The profusion of online news articles makes it difficult to find interesting articles, a problem that can be assuaged by using a recommender system to bring the most relevant news stories to readers. However, news recommendation is…

信息检索 · 计算机科学 2014-11-04 Florent Garcin , Christos Dimitrakakis , Boi Faltings

This paper explores the area of news recommendation, a key component of online information sharing. Initially, we provide a clear introduction to news recommendation, defining the core problem and summarizing current methods and notable…

人工智能 · 计算机科学 2024-02-21 Tianrui Liu , Changxin Xu , Yuxin Qiao , Chufeng Jiang , Weisheng Chen

Social recommendation which aims to leverage social connections among users to enhance the recommendation performance. With the revival of deep learning techniques, many efforts have been devoted to developing various neural network-based…

信息检索 · 计算机科学 2021-10-11 Huance Xu , Chao Huang , Yong Xu , Lianghao Xia , Hao Xing , Dawei Yin

Graph convolutional networks (GCNs) have recently enabled a popular class of algorithms for collaborative filtering (CF). Nevertheless, the theoretical underpinnings of their empirical successes remain elusive. In this paper, we endeavor to…

信息检索 · 计算机科学 2021-08-18 Yifei Shen , Yongji Wu , Yao Zhang , Caihua Shan , Jun Zhang , Khaled B. Letaief , Dongsheng Li

Graph-based social recommendation (SocialRec) has emerged as a powerful extension of graph collaborative filtering (GCF), which leverages graph neural networks (GNNs) to capture multi-hop collaborative signals from user-item interactions.…

信息检索 · 计算机科学 2026-01-29 Doyun Choi , Cheonwoo Lee , Biniyam Aschalew Tolera , Taewook Ham , Chanyoung Park , Jaemin Yoo

We focus on the problem of streaming recommender system and explore novel collaborative filtering algorithms to handle the data dynamicity and complexity in a streaming manner. Although deep neural networks have demonstrated the…

机器学习 · 计算机科学 2019-06-12 Qingquan Song , Shiyu Chang , Xia Hu

Local news organizations face an urgent need to boost reader engagement amid declining circulation and competition from global media. Personalized news recommender systems offer a promising solution by tailoring content to user interests.…

信息检索 · 计算机科学 2025-08-28 Payam Pourashraf , Bamshad Mobasher

The customization of recommended content to users holds significant importance in enhancing user experiences across a wide spectrum of applications such as e-commerce, music, and shopping. Graph-based methods have achieved considerable…

信息检索 · 计算机科学 2023-12-05 Narges Sadat Fazeli Dehkordi , Hadi Zare , Parham Moradi , Mahdi Jalili