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author:

Jiang, Nan (Jiang, Nan.) [1] | Zeng, Zilin (Zeng, Zilin.) [2] | Wen, Jie (Wen, Jie.) [3] | Zhou, Jie (Zhou, Jie.) [4] | Liu, Ziyu (Liu, Ziyu.) [5] | Wan, Tao (Wan, Tao.) [6] | Liu, Ximeng (Liu, Ximeng.) [7] (Scholars:刘西蒙) | Chen, Honglong (Chen, Honglong.) [8]

Indexed by:

EI Scopus SCIE

Abstract:

In recent years, the appearance of graph convolutional networks (GCNs) provides a new idea for graph structure data processing. Because of that, they can learn excellent user and item embedding by using cooperative signals of high-order neighbors, and the GCNs technique shows great potential in the recommendation. The common problem with the bulk of GCN-based models is that it appears the situation of performance degradation during the stacking of network layers. The recently proposed IMP-GCN alleviates this problem to some extent. It aims to avoid the influence of downside information from high-order propagation on embedding learning. However, we consider that it ignores the multi-interest factor, in which users may have different interests. In this paper, we present a multi-interest GCN(MI-GCN) model for a recommendation, and it conducts high-order graph convolution operations in three sets of subgraphs. Users with similar interests and the corresponding interaction items belong to the identical subgraph. As for the formation of the subgraph, we adopt two varied clustering methods and the user feature to form a subgraph generation mechanism. This mechanism can generate three groups of differential subgraphs to divide users into multi-interest groups and make subgraph division more reasonable. We carry out massive experiments on three real-world datasets, demonstrating the effectiveness of our model. Experimental results confirm that our presented MI-GCN outperforms the state-of-the-art GCN-based recommendation models.

Keyword:

cluster graph convolution networks multi-interest recommendation subgraph

Community:

  • [ 1 ] [Jiang, Nan]East China Jiaotong Univ, Coll Informat Engn, Nanchang 330013, Jiangxi, Peoples R China
  • [ 2 ] [Zeng, Zilin]East China Jiaotong Univ, Coll Informat Engn, Nanchang 330013, Jiangxi, Peoples R China
  • [ 3 ] [Zhou, Jie]East China Jiaotong Univ, Coll Informat Engn, Nanchang 330013, Jiangxi, Peoples R China
  • [ 4 ] [Liu, Ziyu]East China Jiaotong Univ, Coll Informat Engn, Nanchang 330013, Jiangxi, Peoples R China
  • [ 5 ] [Wan, Tao]East China Jiaotong Univ, Coll Informat Engn, Nanchang 330013, Jiangxi, Peoples R China
  • [ 6 ] [Wen, Jie]East China Jiaotong Univ, Coll Elect & Automat Engn, Nanchang, Jiangxi, Peoples R China
  • [ 7 ] [Liu, Ximeng]Fuzhou Univ, Coll Math & Comp Sci, Fuzhou, Peoples R China
  • [ 8 ] [Chen, Honglong]China Univ Petr, Coll Control Sci & Engn, Qingdao, Peoples R China

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Source :

INTERNATIONAL JOURNAL OF INTELLIGENT SYSTEMS

ISSN: 0884-8173

Year: 2022

Issue: 11

Volume: 37

Page: 9192-9212

7 . 0

JCR@2022

5 . 0 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:66

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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