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Author:

Ruan, Beibei (Ruan, Beibei.) | Zhu, Cui (Zhu, Cui.)

Indexed by:

CPCI-S EI Scopus

Abstract:

The existing link prediction researches of information networks mainly focus on the dynamic homogeneous network or the static heterogeneous network. It has always been a challenge to predict future relationships between nodes while learning both continuous-time and heterogeneous information simultaneously. In this paper, we propose a Heterogeneous and Continuous-Time Model Based on Self-Attention (HTAT) to complete the link prediction task by learning temporal evolution and heterogeneity jointly. The HTAT model consists of the base layer and the heterogeneous layer. The base layer incorporates a functional time encoding with self-attention mechanism to capture continuous-time evolution. And the heterogeneous layer consists of multi-view attention to learn heterogeneous information. Experimental results show that HTAT is significantly competitive compared with four state-of-the-art baselines on three real-world datasets.

Keyword:

Base layer Link prediction Self-attention Heterogeneous layer Dynamic heterogeneous network

Author Community:

  • [ 1 ] [Ruan, Beibei]Beijing Univ Technol, Coll Comp Sci, Fac Informat Technol, Beijing, Peoples R China
  • [ 2 ] [Zhu, Cui]Beijing Univ Technol, Coll Comp Sci, Fac Informat Technol, Beijing, Peoples R China

Reprint Author's Address:

  • [Ruan, Beibei]Beijing Univ Technol, Coll Comp Sci, Fac Informat Technol, Beijing, Peoples R China

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Source :

KNOWLEDGE SCIENCE, ENGINEERING AND MANAGEMENT, PT III

ISSN: 0302-9743

Year: 2021

Volume: 12817

Page: 62-74

Language: English

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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