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Recommender systems that can learn from cross-session data to dynamically predict the next item a user will choose are crucial for online platforms. However, existing approaches often use out-of-the-box sequence models which are limited by…

社会与信息网络 · 计算机科学 2019-04-14 Jiaxuan You , Yichen Wang , Aditya Pal , Pong Eksombatchai , Chuck Rosenberg , Jure Leskovec

Despite great success has been achieved in activity analysis, it still has many challenges. Most existing work in activity recognition pay more attention to design efficient architecture or video sampling strategy. However, due to the…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Jingran Zhang , Fumin Shen , Xing Xu , Heng Tao Shen

Using knowledge graphs to assist deep learning models in making recommendation decisions has recently been proven to effectively improve the model's interpretability and accuracy. This paper introduces an end-to-end deep learning model,…

信息检索 · 计算机科学 2024-04-11 Chen Li , Yang Cao , Ye Zhu , Debo Cheng , Chengyuan Li , Yasuhiko Morimoto

Interactive news recommendation has been launched and attracted much attention recently. In this scenario, user's behavior evolves from single click behavior to multiple behaviors including like, comment, share etc. However, most of the…

信息检索 · 计算机科学 2021-05-21 Mingyuan Ma , Sen Na , Hongyu Wang , Congzhou Chen , Jin Xu

This study presents a novel Multi-Modal Graph Neural Network (MM-GNN) framework for socially aware music recommendation, designed to enhance personalization and foster community-based engagement. The proposed model introduces a fusion-free…

信息检索 · 计算机科学 2025-11-11 Kajwan Ziaoddini

Time series prediction aims to predict future values to help stakeholders make proper strategic decisions. This problem is relevant in all industries and areas, ranging from financial data to demand to forecast. However, it remains…

应用统计 · 统计学 2020-09-09 Aleksandr Pletnev , Rodrigo Rivera-Castro , Evgeny Burnaev

Graph Neural Networks (GNNs) have been extensively employed in the field of recommendation systems, offering users personalized recommendations and yielding remarkable outcomes. Recently, GNNs incorporating contrastive learning have…

信息检索 · 计算机科学 2024-05-10 Shengxi Fu , Qianqian Ren , Xingfeng Lv , Jinbao Li

Session-based recommendation (SBR) is proposed to recommend items within short sessions given that user profiles are invisible in various scenarios nowadays, such as e-commerce and short video recommendation. There is a common scenario that…

信息检索 · 计算机科学 2022-04-12 Chuan Cui , Qi Shen , Shixuan Zhu , Yitong Pang , Yiming Zhang , Hanning Gao , Zhihua Wei

Effective extraction of temporal patterns is crucial for the recognition of temporally varying actions in video. We argue that the fixed-sized spatio-temporal convolution kernels used in convolutional neural networks (CNNs) can be improved…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Alexandros Stergiou , Ronald Poppe

Personal interaction data can be effectively modeled as individual graphs for each user in recommender systems.Graph Neural Networks (GNNs)-based recommendation techniques have become extremely popular since they can capture high-order…

机器学习 · 计算机科学 2024-12-31 Haiyan Wang , Ye Yuan

With the rapid development of the short video industry, traditional e-commerce has encountered a new paradigm, video-driven e-commerce, which leverages attractive videos for product showcases and provides both video and item services for…

机器学习 · 计算机科学 2024-08-02 Houye Ji , Ye Tang , Zhaoxin Chen , Lixi Deng , Jun Hu , Lei Su

Temporal collaborative filtering (TCF) methods aim at modelling non-static aspects behind recommender systems, such as the dynamics in users' preferences and social trends around items. State-of-the-art TCF methods employ recurrent neural…

人工智能 · 计算机科学 2020-10-14 Esther Rodrigo Bonet , Duc Minh Nguyen , Nikos Deligiannis

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…

信息检索 · 计算机科学 2021-10-25 Chaoyang Wang , Zhiqiang Guo , Guohui Li , Jianjun Li , Peng Pan , Ke Liu

Temporal graphs exhibit dynamic interactions between nodes over continuous time, whose topologies evolve with time elapsing. The whole temporal neighborhood of nodes reveals the varying preferences of nodes. However, previous works usually…

机器学习 · 计算机科学 2023-04-18 Tongya Zheng , Xinchao Wang , Zunlei Feng , Jie Song , Yunzhi Hao , Mingli Song , Xingen Wang , Xinyu Wang , Chun Chen

Graph data are pervasive in many real-world applications. Recently, increasing attention has been paid on graph neural networks (GNNs), which aim to model the local graph structures and capture the hierarchical patterns by aggregating the…

机器学习 · 计算机科学 2020-06-29 Kwei-Herng Lai , Daochen Zha , Kaixiong Zhou , Xia Hu

Research about recommender systems emerges over the last decade and comprises valuable services to increase different companies' revenue. Several approaches exist in handling paper recommender systems. While most existing recommender…

信息检索 · 计算机科学 2022-03-28 Zahra Zamanzadeh Darban , Mohammad Hadi Valipour

Micro-expressions serve as essential cues for understanding individuals' genuine emotional states. Recognizing micro-expressions attracts increasing research attention due to its various applications in fields such as business negotiation…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Fengyuan Zhang , Zhaopei Huang , Xinjie Zhang , Qin Jin

With the increasing availability of videos, how to edit them and present the most interesting parts to users, i.e., video highlight, has become an urgent need with many broad applications. As users'visual preferences are subjective and vary…

信息检索 · 计算机科学 2020-05-26 Le Wu , Yonghui Yang , Lei Chen , Defu Lian , Richang Hong , Meng Wang

The problem of session-based recommendation aims to predict user next actions based on session histories. Previous methods models session histories into sequences and estimate user latent features by RNN and GNN methods to make…

信息检索 · 计算机科学 2020-08-07 Bo Huang , Ye Bi , Zhenyu Wu , Jianming Wang , Jing Xiao

Short-term forecasting of passenger flow is critical for transit management and crowd regulation. Spatial dependencies, temporal dependencies, inter-station correlations driven by other latent factors, and exogenous factors bring challenges…

机器学习 · 计算机科学 2022-05-23 Yuxin He , Lishuai Li , Xinting Zhu , Kwok Leung Tsui