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Graph Neural Networks (GNNs) have become powerful tools in modeling graph-structured data in recommender systems. However, real-life recommendation scenarios usually involve heterogeneous relationships (e.g., social-aware user influence,…

信息检索 · 计算机科学 2023-03-03 Mengru Chen , Chao Huang , Lianghao Xia , Wei Wei , Yong Xu , Ronghua Luo

Recommender systems, crucial for user engagement on platforms like e-commerce and streaming services, often lag behind users' evolving preferences due to static data reliance. After Temporal Graph Networks (TGNs) were proposed, various…

人工智能 · 计算机科学 2024-12-24 Yejin Kim , Youngbin Lee , Vincent Yuan , Annika Lee , Yongjae Lee

Knowledge Graph (KG), as a side-information, tends to be utilized to supplement the collaborative filtering (CF) based recommendation model. By mapping items with the entities in KGs, prior studies mostly extract the knowledge information…

信息检索 · 计算机科学 2022-12-21 Yinwei Wei , Xiang Wang , Liqiang Nie , Shaoyu Li , Dingxian Wang , Tat-Seng Chua

Generative learning has advanced network neuroscience, enabling tasks like graph super-resolution, temporal graph prediction, and multimodal brain graph fusion. However, current methods, mainly based on graph neural networks (GNNs), focus…

机器学习 · 计算机科学 2025-09-16 Mayssa Soussia , Yijun Lin , Mohamed Ali Mahjoub , Islem Rekik

Graph-based recommendation models work well for top-N recommender systems due to their capability to capture the potential relationships between entities. However, most of the existing methods only construct a single global item graph…

信息检索 · 计算机科学 2021-08-12 Zhuoyi Lin , Lei Feng , Rui Yin , Chi Xu , Chee-Keong Kwoh

Link prediction is a fundamental task in dynamic graph learning (DGL), inherently shaped by the topology of the DG. Recent advancements in dynamic graph neural networks (DGNN), primarily by modeling the relationships among nodes via a…

机器学习 · 计算机科学 2025-04-29 Ling Wang , Minglian Han

Heterogeneous information network has been widely used to alleviate sparsity and cold start problems in recommender systems since it can model rich context information in user-item interactions. Graph neural network is able to encode this…

信息检索 · 计算机科学 2021-06-22 Yifan Wang , Suyao Tang , Yuntong Lei , Weiping Song , Sheng Wang , Ming Zhang

Graph research, the systematic study of interconnected data points represented as graphs, plays a vital role in capturing intricate relationships within networked systems. However, in the real world, as graphs scale up, concerns about data…

机器学习 · 计算机科学 2023-11-08 Qiang Wu , Yiming Huang , Yujie Zeng , Yijie Teng , Fang Zhou , Linyuan Lü

Due to their inherent capability in semantic alignment of aspects and their context words, attention mechanism and Convolutional Neural Networks (CNNs) are widely applied for aspect-based sentiment classification. However, these models lack…

计算与语言 · 计算机科学 2019-10-15 Chen Zhang , Qiuchi Li , Dawei Song

Graph attention networks (GATs) are powerful tools for analyzing graph data from various real-world scenarios. To learn representations for downstream tasks, GATs generally attend to all neighbors of the central node when aggregating the…

机器学习 · 计算机科学 2022-10-31 Tiantian He , Haicang Zhou , Yew-Soon Ong , Gao Cong

The existing sonar image classification methods based on deep learning are often analyzed in Euclidean space, only considering the local image features. For this reason, this paper presents a sonar classification method based on improved…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Can Lei , Huigang Wang , Juan Lei

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

Graph Neural Networks (GNNs) achieve strong performance on node classification tasks but remain difficult to interpret, particularly with respect to which input features drive their predictions. Existing global GNN explainers operate at the…

机器学习 · 计算机科学 2026-05-06 Rishi Raj Sahoo , Subhankar Mishra

Recently popularized graph neural networks achieve the state-of-the-art accuracy on a number of standard benchmark datasets for graph-based semi-supervised learning, improving significantly over existing approaches. These architectures…

机器学习 · 统计学 2018-03-13 Kiran K. Thekumparampil , Chong Wang , Sewoong Oh , Li-Jia Li

Leveraging network information for predictive modeling has become widespread in many domains. Within the realm of referral and targeted marketing, influencer detection stands out as an area that could greatly benefit from the incorporation…

社会与信息网络 · 计算机科学 2024-09-11 Elena Tiukhova , Emiliano Penaloza , María Óskarsdóttir , Bart Baesens , Monique Snoeck , Cristián Bravo

Interpretable graph learning is in need as many scientific applications depend on learning models to collect insights from graph-structured data. Previous works mostly focused on using post-hoc approaches to interpret pre-trained models…

机器学习 · 计算机科学 2022-06-20 Siqi Miao , Miaoyuan Liu , Pan Li

Graph neural networks (GNNs) are widely used as surrogates for costly experiments and first-principles simulations to study the behavior of compounds at atomistic scale, and their architectural complexity is constantly increasing to enable…

机器学习 · 计算机科学 2026-05-04 Arindam Chowdhury , Massimiliano Lupo Pasini

Few-shot Knowledge Graph (KG) completion is a focus of current research, where each task aims at querying unseen facts of a relation given its few-shot reference entity pairs. Recent attempts solve this problem by learning static…

计算与语言 · 计算机科学 2021-07-06 Jiawei Sheng , Shu Guo , Zhenyu Chen , Juwei Yue , Lihong Wang , Tingwen Liu , Hongbo Xu

Most of the existing deep learning-based sequential recommendation approaches utilize the recurrent neural network architecture or self-attention to model the sequential patterns and temporal influence among a user's historical behavior and…

信息检索 · 计算机科学 2022-01-17 Liwei Huang , Yutao Ma , Yanbo Liu , Bohong , Du , Shuliang Wang , Deyi Li

Edge features contain important information about graphs. However, current state-of-the-art neural network models designed for graph learning, e.g. graph convolutional networks (GCN) and graph attention networks (GAT), adequately utilize…

机器学习 · 计算机科学 2019-01-29 Liyu Gong , Qiang Cheng