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Entity interaction prediction is essential in many important applications such as chemistry, biology, material science, and medical science. The problem becomes quite challenging when each entity is represented by a complex structure,…

机器学习 · 计算机科学 2021-04-13 Hanchen Wang , Defu Lian , Ying Zhang , Lu Qin , Xuemin Lin

Dynamic graph neural networks (DGNNs) have emerged and been widely deployed in various web applications (e.g., Reddit) to serve users (e.g., personalized content delivery) due to their remarkable ability to learn from complex and dynamic…

机器学习 · 计算机科学 2025-02-04 He Zhang , Bang Wu , Xiangwen Yang , Xingliang Yuan , Xiaoning Liu , Xun Yi

Session-based recommendation intends to predict next purchased items based on anonymous behavior sequences. Numerous economic studies have revealed that item price is a key factor influencing user purchase decisions. Unfortunately, existing…

信息检索 · 计算机科学 2023-11-03 Xiaokun Zhang , Bo Xu , Fenglong Ma , Chenliang Li , Yuan Lin , Hongfei Lin

The prediction of humans' short-term trajectories has advanced significantly with the use of powerful sequential modeling and rich environment feature extraction. However, long-term prediction is still a major challenge for the current…

计算机视觉与模式识别 · 计算机科学 2020-11-09 Hung Tran , Vuong Le , Truyen Tran

Graph Neural Networks (GNNs) set the state-of-the-art in representation learning for graph-structured data. They are used in many domains, from online social networks to complex molecules. Most GNNs leverage the message-passing paradigm and…

机器学习 · 计算机科学 2025-03-06 Tuğrul Hasan Karabulut , İnci M. Baytaş

Capturing the temporal dynamics of user preferences over items is important for recommendation. Existing methods mainly assume that all time steps in user-item interaction history are equally relevant to recommendation, which however does…

信息检索 · 计算机科学 2017-09-08 Wenjie Pei , Jie Yang , Zhu Sun , Jie Zhang , Alessandro Bozzon , David M. J. Tax

Knowledge graph (KG) plays an increasingly important role in recommender systems. A recent technical trend is to develop end-to-end models founded on graph neural networks (GNNs). However, existing GNN-based models are coarse-grained in…

信息检索 · 计算机科学 2021-02-16 Xiang Wang , Tinglin Huang , Dingxian Wang , Yancheng Yuan , Zhenguang Liu , Xiangnan He , Tat-Seng Chua

News recommendation (NR) is essential for online news services. Existing NR methods typically adopt a news-user representation learning framework, facing two potential limitations. First, in news encoder, single candidate news encoding…

计算与语言 · 计算机科学 2022-10-17 Zhiming Mao , Jian Li , Hongru Wang , Xingshan Zeng , Kam-Fai Wong

While online advertising is highly dependent on implicit interaction networks of anonymous users for engagement inference, and for the selection and optimization of delivery strategies, existing graph models seldom can capture the…

信息检索 · 计算机科学 2025-06-18 Yanjun Dai , Haoyang Feng , Yuan Gao

Graph neural networks (GNNs) have been widely used in representation learning on graphs and achieved state-of-the-art performance in tasks such as node classification and link prediction. However, most existing GNNs are designed to learn…

机器学习 · 计算机科学 2020-02-06 Seongjun Yun , Minbyul Jeong , Raehyun Kim , Jaewoo Kang , Hyunwoo J. Kim

Social recommendation based on social network has achieved great success in improving the performance of recommendation system. Since social network (user-user relations) and user-item interactions are both naturally represented as…

信息检索 · 计算机科学 2021-09-27 Yiming Zhang , Lingfei Wu , Qi Shen , Yitong Pang , Zhihua Wei , Fangli Xu , Ethan Chang , Bo Long

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

Session-based recommendation aims to predict the next item that anonymous users may be interested in, based on their current session interactions. Recent studies have demonstrated that retrieving neighbor sessions to augment the current…

信息检索 · 计算机科学 2026-01-08 Yuhan Yang , Jie Zou , Guojia An , Jiwei Wei , Yang Yang , Heng Tao Shen

Session-based Recommendation (SR) aims to predict the next item for recommendation based on previously recorded sessions of user interaction. The majority of existing approaches to SR focus on modeling the transition patterns of items. In…

信息检索 · 计算机科学 2022-04-06 Jiahao Yuan , Wendi Ji , Dell Zhang , Jinwei Pan , Xiaoling Wang

Exploiting long-range contextual information is key for pixel-wise prediction tasks such as semantic segmentation. In contrast to previous work that uses multi-scale feature fusion or dilated convolutions, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Li Zhang , Xiangtai Li , Anurag Arnab , Kuiyuan Yang , Yunhai Tong , Philip H. S. Torr

Predicting the future paths of an agent's neighbors accurately and in a timely manner is central to the autonomous applications for collision avoidance. Conventional approaches, e.g., LSTM-based models, take considerable computational costs…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Chengxin Wang , Shaofeng Cai , Gary Tan

Graph collaborative filtering (GCF) is a popular technique for capturing high-order collaborative signals in recommendation systems. However, GCF's bipartite adjacency matrix, which defines the neighbors being aggregated based on user-item…

信息检索 · 计算机科学 2023-04-12 Ziwei Fan , Ke Xu , Zhang Dong , Hao Peng , Jiawei Zhang , Philip S. Yu

Along with generative AI, interest in scene graph generation (SGG), which comprehensively captures the relationships and interactions between objects in an image and creates a structured graph-based representation, has significantly…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Hyeongjin Kim , Sangwon Kim , Jong Taek Lee , Byoung Chul Ko

Personalized generative recommender systems have emerged as a promising solution for fashion recommendation. However, existing methods primarily rely on implicit visual embeddings from historical interactions, which often contain…

信息检索 · 计算机科学 2026-05-19 Mingzhe Yu , Lei Wu , Qianru Sun , Yunshan Ma

Accurate traffic forecasting is essential for smart cities to achieve traffic control, route planning, and flow detection. Although many spatial-temporal methods are currently proposed, these methods are deficient in capturing the…

机器学习 · 计算机科学 2024-03-07 Aoyu Liu , Yaying Zhang