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Graph neural networks (GNNs) can efficiently process text-attributed graphs (TAGs) due to their message-passing mechanisms, but their training heavily relies on the human-annotated labels. Moreover, the complex and diverse local topologies…

机器学习 · 计算机科学 2025-10-27 Xing Wei , Chunchun Chen , Rui Fan , Xiaofeng Cao , Sourav Medya , Wei Ye

Recommender systems presently utilize vast amounts of data and play a pivotal role in enhancing user experiences. Graph Convolution Networks (GCNs) have surfaced as highly efficient models within the realm of recommender systems due to…

信息检索 · 计算机科学 2025-05-27 X Fan , F Mo , C Chen , H Yamana

Recommender systems have become prosperous nowadays, designed to predict users' potential interests in items by learning embeddings. Recent developments of the Graph Neural Networks~(GNNs) also provide recommender systems with powerful…

信息检索 · 计算机科学 2021-11-23 Zhiwei Liu , Liangwei Yang , Ziwei Fan , Hao Peng , Philip S. Yu

Rating elicitation is a success element for recommender systems to perform well at cold-starting, in which the systems need to recommend items to a newly arrived user with no prior knowledge about the user's preference. Existing elicitation…

信息检索 · 计算机科学 2024-06-04 Hieu Trung Nguyen , Duy Nguyen , Khoa Doan , Viet Anh Nguyen

A major challenge in collaborative filtering methods is how to produce recommendations for cold items (items with no ratings), or integrate cold item into an existing catalog. Over the years, a variety of hybrid recommendation models have…

信息检索 · 计算机科学 2021-12-15 Oren Barkan , Roy Hirsch , Ori Katz , Avi Caciularu , Jonathan Weill , Noam Koenigstein

The cold-start recommendation is an urgent problem in contemporary online applications. It aims to provide users whose behaviors are literally sparse with as accurate recommendations as possible. Many data-driven algorithms, such as the…

信息检索 · 计算机科学 2021-10-19 Xiaowen Huang , Jitao Sang , Jian Yu , Changsheng Xu

In this paper, based on the user-tag-object tripartite graphs, we propose a recommendation algorithm, which considers social tags as an important role for information retrieval. Besides its low cost of computational time, the experiment…

信息检索 · 计算机科学 2013-06-19 Zi-Ke Zhang , Chuang Liu , Yi-Cheng Zhang , Tao Zhou

Graph Neural Networks (GNNs) have shown satisfying performance on various graph learning tasks. To achieve better fitting capability, most GNNs are with a large number of parameters, which makes these GNNs computationally expensive.…

机器学习 · 计算机科学 2023-01-05 Yushun Dong , Binchi Zhang , Yiling Yuan , Na Zou , Qi Wang , Jundong Li

Graph Convolution Networks (GCNs) have significantly succeeded in learning user and item representations for recommendation systems. The core of their efficacy is the ability to explicitly exploit the collaborative signals from both the…

信息检索 · 计算机科学 2024-11-11 Fan Liu , Shuai Zhao , Zhiyong Cheng , Liqiang Nie , Mohan Kankanhalli

Recently, embedding techniques have achieved impressive success in recommender systems. However, the embedding techniques are data demanding and suffer from the cold-start problem. Especially, for the cold-start item which only has limited…

信息检索 · 计算机科学 2021-05-12 Yongchun Zhu , Ruobing Xie , Fuzhen Zhuang , Kaikai Ge , Ying Sun , Xu Zhang , Leyu Lin , Juan Cao

Based on the user-item bipartite network, collaborative filtering (CF) recommender systems predict users' interests according to their history collections, which is a promising way to solve the information exploration problem. However, CF…

数据分析、统计与概率 · 物理学 2011-12-13 Zhao-Guo Xuan , Zhan Li , Jian-Guo Liu

Embedding & MLP has become a paradigm for modern large-scale recommendation system. However, this paradigm suffers from the cold-start problem which will seriously compromise the ecological health of recommendation systems. This paper…

信息检索 · 计算机科学 2022-05-30 Xu Zhao , Yi Ren , Ying Du , Shenzheng Zhang , Nian Wang

The cold-start problem is quite challenging for existing recommendation models. Specifically, for the new items with only a few interactions, their ID embeddings are trained inadequately, leading to poor recommendation performance. Some…

信息检索 · 计算机科学 2023-06-09 Haonan Hu , Dazhong Rong , Jianhai Chen , Qinming He , Zhenguang Liu

Recently, diffusion-based recommendation methods have achieved impressive results. However, existing approaches predominantly treat each user's historical interactions as independent training samples, overlooking the potential of…

社会与信息网络 · 计算机科学 2025-04-08 Xuan Zhang , Xiang Deng , Hongxing Yuan , Chunyu Wei , Yushun Fan

Incorporating knowledge graphs (KGs) as side information in recommendation has recently attracted considerable attention. Despite the success in general recommendation scenarios, prior methods may fall short of performance satisfaction for…

信息检索 · 计算机科学 2022-09-29 Xinni Zhang , Yankai Chen , Cuiyun Gao , Qing Liao , Shenglin Zhao , Irwin King

Advances in self-distillation have shown that when knowledge is distilled from a teacher to a student using the same deep learning (DL) architecture, the student performance can surpass the teacher particularly when the network is…

机器学习 · 计算机科学 2025-06-25 Muhammad Haseeb Aslam , Clara Martinez , Marco Pedersoli , Alessandro Koerich , Ali Etemad , Eric Granger

This paper proposes a content relationship distillation (CRD) to tackle the over-parameterized generative adversarial networks (GANs) for the serviceability in cutting-edge devices. In contrast to traditional instance-level distillation, we…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Lizhou You , Mingbao Lin , Tie Hu , Fei Chao , Rongrong Ji

Knowledge distillation aims to transfer knowledge from a large teacher model to a compact student counterpart, often coming with a significant performance gap between them. We find that a too-large performance gap can hamper the training…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Yong Guo , Shulian Zhang , Haolin Pan , Jing Liu , Yulun Zhang , Jian Chen

Collaborative Filtering (CF) is one of the most successful approaches for recommender systems. With the emergence of online social networks, social recommendation has become a popular research direction. Most of these social recommendation…

信息检索 · 计算机科学 2019-07-12 Le Wu , Peijie Sun , Richang Hong , Yanjie Fu , Xiting Wang , Meng Wang

The use of pre-training is an emerging technique to enhance a neural model's performance, which has been shown to be effective for many neural language models such as BERT. This technique has also been used to enhance the performance of…

信息检索 · 计算机科学 2023-11-28 Siwei Liu , Xi Wang , Craig Macdonald , Iadh Ounis