基于异构图的双通道交叉自适应对比学习推荐

范伟; 周魏; 文俊浩

doi:10.12263/DZXB.20230003

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基于异构图的双通道交叉自适应对比学习推荐

学术论文 | 更新时间：2025-12-08

- 基于异构图的双通道交叉自适应对比学习推荐
- Recommendation Based on Graph Heterogeneous Using Dual Channel Cross-Adaptive Contrast Learning
- 电子学报 2023年51卷第7期页码：1929-1938
- 作者机构：
  
  1.重庆大学大数据与软件学院，重庆 400044
  2.信息物理社会可信服务计算教育部重点实验室（重庆大学），重庆 400044
- 作者简介：
  
  [ "范伟男，1998年生，现为重庆大学大数据软件学院在读硕士研究生.主要研究方向为数据挖掘、推荐系统.E-mail: fanwei@cqu.edu.cn" ]
  [ "周魏（通讯作者）男，1987年生，工学博士，重庆大学大数据与软件学院副教授、博士生导师.主要研究方向为推荐系统、信息检索、机器学习.中国电子学会会员编号：E190073018M." ]
  [ "文俊浩男，1969年生，工学博士，重庆大学大数据与软件学院教授.主要研究方向为计算智能、推荐系统.E-mail: jhwen@cqu.edu.cn" ]
- 基金信息：
  
  国家自然科学基金(72074036;62072060);中国博士后科学基金(2020M673145);中央高校基金(2022CDJXY-022)
- DOI：10.12263/DZXB.20230003
  中图分类号： TP311
- 收稿：2022-12-27，
  
  修回：2023-03-10，
  
  纸质出版：2023-07-25
- 稿件说明：
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范伟,周魏,文俊浩.基于异构图的双通道交叉自适应对比学习推荐[J].电子学报,2023,51(07):1929-1938.

FAN Wei,ZHOU Wei,WEN Jun-hao.Recommendation Based on Graph Heterogeneous Using Dual Channel Cross-Adaptive Contrast Learning[J].ACTA ELECTRONICA SINICA,2023,51(07):1929-1938.
范伟,周魏,文俊浩.基于异构图的双通道交叉自适应对比学习推荐[J].电子学报,2023,51(07):1929-1938. DOI： 10.12263/DZXB.20230003.

FAN Wei,ZHOU Wei,WEN Jun-hao.Recommendation Based on Graph Heterogeneous Using Dual Channel Cross-Adaptive Contrast Learning[J].ACTA ELECTRONICA SINICA,2023,51(07):1929-1938. DOI： 10.12263/DZXB.20230003.

摘要

通过用户多行为进行推荐任务中，各个行为通常不是独立作用的，行为之间的协同作用和依赖关系挖掘更能增强用户行为模式建模，反映用户偏好.而用户多行为关系的引入也会增加用户物品交互图与表征空间中的异质性（heterogeneity）.针对上述问题，本文设计了一种基于异构图的双通道交叉自适应对比学习推荐模型MB-DCAC（Multi-Behavior Recommendation through Dual-channel Cross-Adaptive Contrast learning），创新性的从异构数据卷积过程构建对比学习方案，并基于异构连接进行表征属性增强，以提升模型挖掘用户行为模式与表达能力.实验结果表明，本文模型在Tmall、IJCAI-Context、Beibei三个数据集上，相较于基准模型在HR@10指标上分别提升了16.7%、18.3%、2.76%.且模型在挖掘多行为之间的依赖挖掘等任务上表现优异.

Abstract

In the task of recommendation through multiple behaviors

individual behaviors usually do not work independently. The mining of collaborative effects and dependencies between behaviors can better enhance user behavior modeling and reflect user preferences. The introduction of multiple user behavior relationships also increases the heterogeneity in the user-item interaction graph and representation space. To address these issues

this paper proposes a dual-channel cross-adaptive contrast learning recommendation model (MB-DCAC)

based on heterogeneous graphs. To improve the model's ability to mine user behavior patterns and expressions

this model innovatively constructs a comparative learning scheme from the convolution process of heterogeneous data and enhances the representation features based on heterogeneous connections. Experimental results show that compared with the baseline model

the proposed model improves the HR@10 metric by 16.7%

18.3%

and 2.76% on the Tmall

IJCAI-Context

and Beibei datasets

respectively. This model also performs well in tasks such as mining dependencies between multiple behaviors.

关键词

Keywords

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