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Recent recommender system advancements have focused on developing sequence-based and graph-based approaches. Both approaches proved useful in modeling intricate relationships within behavioral data, leading to promising outcomes in…

Information Retrieval · Computer Science 2024-03-18 Vladimir Baikalov , Evgeny Frolov

In recent years, Graph Neural Networks (GNNs), which can naturally integrate node information and topological structure, have been demonstrated to be powerful in learning on graph data. These advantages of GNNs provide great potential to…

Information Retrieval · Computer Science 2019-11-26 Wenqi Fan , Yao Ma , Qing Li , Yuan He , Eric Zhao , Jiliang Tang , Dawei Yin

Graphs are mathematical tools that can be used to represent complex real-world systems, such as financial markets and social networks. Hence, machine learning (ML) over graphs has attracted significant attention recently. However, it has…

Machine Learning · Computer Science 2023-03-22 O. Deniz Kose , Yanning Shen , Gonzalo Mateos

Graph augmentation with contrastive learning has gained significant attention in the field of recommendation systems due to its ability to learn expressive user representations, even when labeled data is limited. However, directly applying…

Machine Learning · Computer Science 2024-03-26 Qianru Zhang , Lianghao Xia , Xuheng Cai , Siuming Yiu , Chao Huang , Christian S. Jensen

Due to the development of graph neural networks, graph-based representation learning methods have made great progress in recommender systems. However, data sparsity is still a challenging problem that most graph-based recommendation methods…

Information Retrieval · Computer Science 2021-10-25 Chaoyang Wang , Zhiqiang Guo , Guohui Li , Jianjun Li , Peng Pan , Ke Liu

Graph matching, also known as network alignment, refers to finding a bijection between the vertex sets of two given graphs so as to maximally align their edges. This fundamental computational problem arises frequently in multiple fields…

Data Structures and Algorithms · Computer Science 2021-08-10 Cheng Mao , Mark Rudelson , Konstantin Tikhomirov

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…

Information Retrieval · Computer Science 2019-07-12 Le Wu , Peijie Sun , Richang Hong , Yanjie Fu , Xiting Wang , Meng Wang

GNN-based recommenders have excelled in modeling intricate user-item interactions through multi-hop message passing. However, existing methods often overlook the dynamic nature of evolving user-item interactions, which impedes the adaption…

Information Retrieval · Computer Science 2024-02-20 Yuhao Yang , Lianghao Xia , Da Luo , Kangyi Lin , Chao Huang

The problem of session-based recommendation aims to predict user actions based on anonymous sessions. Previous methods model a session as a sequence and estimate user representations besides item representations to make recommendations.…

Information Retrieval · Computer Science 2019-08-14 Shu Wu , Yuyuan Tang , Yanqiao Zhu , Liang Wang , Xing Xie , Tieniu Tan

Compared with the progress made on human activity classification, much less success has been achieved on human interaction understanding (HIU). Apart from the latter task is much more challenging, the main cause is that recent approaches…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Zhenhua Wang , Jiajun Meng , Dongyan Guo , Jianhua Zhang , Javen Qinfeng Shi , Shengyong Chen

Dynamic recommendation, focusing on modeling user preference from historical interactions and providing recommendations on current time, plays a key role in many personalized services. Recent works show that pre-trained dynamic graph neural…

Social and Information Networks · Computer Science 2025-11-18 Zhen Tao , Yuehang Cao , Yang Fang , Yunhui Liu , Xiang Zhao , Tieke He

Bundle Recommendation (BR) aims at recommending bundled items on online content or e-commerce platform, such as song lists on a music platform or book lists on a reading website. Several graph based models have achieved state-of-the-art…

Information Retrieval · Computer Science 2022-12-22 Shixuan Zhu , Qi Shen , Yiming Zhang , Zhenwei Dong , Zhihua Wei

Graphs naturally appear in several real-world contexts including social networks, the web network, and telecommunication networks. While the analysis and the understanding of graph structures have been a central area of study in algorithm…

Data Structures and Algorithms · Computer Science 2019-09-17 Gramoz Goranci

This study focuses on the problem of user satisfaction classification and proposes a framework based on graph neural networks to address the limitations of traditional methods in handling complex interaction relationships and…

Human-Computer Interaction · Computer Science 2025-11-07 Rui Liu , Runsheng Zhang , Shixiao Wang

Recommending matches in a text-rich, dynamic two-sided marketplace presents unique challenges due to evolving content and interaction graphs. We introduce GraphMatch, a new large-scale recommendation framework that fuses pre-trained…

Machine Learning · Computer Science 2025-12-03 Mikołaj Sacha , Hammad Jafri , Mattie Terzolo , Ayan Sinha , Andrew Rabinovich

Many researchers have used tag information to improve the performance of recommendation techniques in recommender systems. Examining the tags of users will help to get their interests and leads to more accuracy in the recommendations. Since…

Information Retrieval · Computer Science 2023-10-03 Zeinab Shokrzadeh , Mohammad-Reza Feizi-Derakhshi , Mohammad-Ali Balafar , Jamshid Bagherzadeh-Mohasefi

Recommender systems are often biased toward popular items. In other words, few items are frequently recommended while the majority of items do not get proportionate attention. That leads to low coverage of items in recommendation lists…

Information Retrieval · Computer Science 2020-05-05 Masoud Mansoury , Himan Abdollahpouri , Mykola Pechenizkiy , Bamshad Mobasher , Robin Burke

Recently, real-world recommendation systems need to deal with millions of candidates. It is extremely challenging to conduct sophisticated end-to-end algorithms on the entire corpus due to the tremendous computation costs. Therefore,…

Information Retrieval · Computer Science 2021-10-15 Ruobing Xie , Qi Liu , Shukai Liu , Ziwei Zhang , Peng Cui , Bo Zhang , Leyu Lin

We investigate efficient learning from higher-order graph convolution and learning directly from adjacency matrices for node classification. We revisit the scaled graph residual network and remove ReLU activation from residual layers and…

Machine Learning · Computer Science 2022-09-13 Kishan Wimalawarne , Taiji Suzuki

Modeling animatable human avatars from videos is a long-standing and challenging problem. While conventional methods require per-instance optimization, recent feed-forward methods have been proposed to generate 3D Gaussians with a learnable…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Yifan Liu , Shengjun Zhang , Chensheng Dai , Yang Chen , Hao Liu , Chen Li , Yueqi Duan
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