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In the Click-Through Rate (CTR) prediction scenario, user's sequential behaviors are well utilized to capture the user interest in the recent literature. However, despite being extensively studied, these sequential methods still suffer from…

信息检索 · 计算机科学 2021-11-04 Kai Zhang , Hao Qian , Qing Cui , Qi Liu , Longfei Li , Jun Zhou , Jianhui Ma , Enhong Chen

With the development of social platforms, people are more and more inclined to combine into groups to participate in some activities, so group recommendation has gradually become a problem worthy of research. For group recommendation, an…

信息检索 · 计算机科学 2021-09-24 Bojie Wang , Yuheng Lu

Graph neural network (GNN) is widely used for recommendation to model high-order interactions between users and items. Existing GNN-based recommendation methods rely on centralized storage of user-item graphs and centralized model learning.…

信息检索 · 计算机科学 2022-10-12 Chuhan Wu , Fangzhao Wu , Yang Cao , Yongfeng Huang , Xing Xie

The aim of this work is to develop a fully-distributed algorithmic framework for training graph convolutional networks (GCNs). The proposed method is able to exploit the meaningful relational structure of the input data, which are collected…

机器学习 · 计算机科学 2022-12-21 Simone Scardapane , Indro Spinelli , Paolo Di Lorenzo

Collaborative filtering (CF) based recommender systems are typically trained based on personal interaction data (e.g., clicks and purchases) that could be naturally represented as ego graphs. However, most existing recommendation methods…

机器学习 · 计算机科学 2023-02-23 Liang Qu , Ningzhi Tang , Ruiqi Zheng , Quoc Viet Hung Nguyen , Zi Huang , Yuhui Shi , Hongzhi Yin

For modern recommender systems, the use of low-dimensional latent representations to embed users and items based on their observed interactions has become commonplace. However, many existing recommendation models are primarily designed for…

信息检索 · 计算机科学 2024-12-30 Lianghao Xia , Meiyan Xie , Yong Xu , Chao Huang

Recent studies on Graph Convolutional Networks (GCNs) reveal that the initial node representations (i.e., the node representations before the first-time graph convolution) largely affect the final model performance. However, when learning…

机器学习 · 计算机科学 2022-03-10 Weijian Chen , Fuli Feng , Qifan Wang , Xiangnan He , Chonggang Song , Guohui Ling , Yongdong Zhang

Collaborative recommendation fundamentally involves learning high-quality user and item representations from interaction data. Recently, graph convolution networks (GCNs) have advanced the field by utilizing high-order connectivity patterns…

信息检索 · 计算机科学 2024-12-30 Jiajia Chen , Jiancan Wu , Jiawei Chen , Chongming Gao , Yong Li , Xiang Wang

Multimedia recommendation has received much attention in recent years. It models user preferences based on both behavior information and item multimodal information. Though current GCN-based methods achieve notable success, they suffer from…

信息检索 · 计算机科学 2023-08-08 Penghang Yu , Zhiyi Tan , Guanming Lu , Bing-Kun Bao

Multiagent reinforcement learning (MARL) can solve complex cooperative tasks. However, the efficiency of existing MARL methods relies heavily on well-defined reward functions. Multiagent tasks with sparse reward feedback are especially…

人工智能 · 计算机科学 2022-08-08 Qingxu Fu , Tenghai Qiu , Zhiqiang Pu , Jianqiang Yi , Wanmai Yuan

Session-based target behavior prediction aims to predict the next item to be interacted with specific behavior types (e.g., clicking). Although existing methods for session-based behavior prediction leverage powerful representation learning…

信息检索 · 计算机科学 2021-04-09 Wen Wang , Wei Zhang , Shukai Liu , Qi Liu , Bo Zhang , Leyu Lin , Hongyuan Zha

Nowadays, with the explosive growth of multimodal reviews on social media platforms, multimodal sentiment analysis has recently gained popularity because of its high relevance to these social media posts. Although most previous studies…

计算与语言 · 计算机科学 2022-01-26 Luwei Xiao , Xingjiao Wu , Wen Wu , Jing Yang , Liang He

Recent studies often exploit Graph Convolutional Network (GCN) to model label dependencies to improve recognition accuracy for multi-label image recognition. However, constructing a graph by counting the label co-occurrence possibilities of…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Jin Ye , Junjun He , Xiaojiang Peng , Wenhao Wu , Yu Qiao

Convolutional Neural Networks (CNN) have demon- strated its successful applications in computer vision, speech recognition, and natural language processing. For object recog- nition, CNNs might be limited by its strict label requirement and…

计算机视觉与模式识别 · 计算机科学 2016-10-12 Miao Sun , Tony X. Han , Ming-Chang Liu , Ahmad Khodayari-Rostamabad

Graph convolutional networks (GCNs), which can model the human body skeletons as spatial and temporal graphs, have shown remarkable potential in skeleton-based action recognition. However, in the existing GCN-based methods, graph-structured…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Han Chen , Yifan Jiang , Hanseok Ko

Graph convolutional neural network (GCN) has effectively boosted the multi-label image recognition task by introducing label dependencies based on statistical label co-occurrence of data. However, in previous methods, label correlation is…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Yun Wang , Tong Zhang , Zhen Cui , Chunyan Xu , Jian Yang

Personalized recommender systems play a crucial role in capturing users' evolving preferences over time to provide accurate and effective recommendations on various online platforms. However, many recommendation models rely on a single type…

信息检索 · 计算机科学 2023-10-23 Wei Wei , Lianghao Xia , Chao Huang

There are unique challenges to developing item recommender systems for e-commerce platforms like eBay due to sparse data and diverse user interests. While rich user-item interactions are important, eBay's data sparsity exceeds other…

信息检索 · 计算机科学 2024-10-16 Yi Sun , Yuri M. Brovman

Multi-behavior recommendation systems enhance effectiveness by leveraging auxiliary behaviors (such as page views and favorites) to address the limitations of traditional models that depend solely on sparse target behaviors like purchases.…

信息检索 · 计算机科学 2024-08-23 Haojie Li , Zhiyong Cheng , Xu Yu , Jinhuan Liu , Guanfeng Liu , Junwei Du

Precisely understanding the business relationships between Autonomous Systems (ASes) is essential for studying the Internet structure. So far, many inference algorithms have been proposed to classify the AS relationships, which mainly focus…

网络与互联网体系结构 · 计算机科学 2021-07-29 Songtao Peng , Xincheng Shu , Zhongyuan Ruan , Zegang Huang , Qi Xuan