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Author:

Jian, Meng (Jian, Meng.) | Wang, Tuo (Wang, Tuo.) | Zhou, Shenghua (Zhou, Shenghua.) | Lang, Langchen (Lang, Langchen.) | Wu, Lifang (Wu, Lifang.)

Indexed by:

EI Scopus SCIE

Abstract:

The conventional uniform embeddings lack diversity to infer users' interests and make suboptimal recommendations for users. Fortunately, users' interactions imply a complex and hybrid composition of users' interests with multiple compatible intents. Therefore, this work strives to investigate fine-grained interest modeling from the diversified composition of interest with the intent hypothesis. We propose a cross-intent transformer embedding (CITE) for personalized recommendation, which extracts collaborative filtering (CF) signals by propagating interests within intent subgraphs and between compatible intents. In the scenario of interaction sparsity, intent-aware interest propagation employs graph convolution to ensure interest consistency in each intent subgraph. It builds intent-aware embeddings with interaction confidences learned iteratively on each intent subgraph. In addition, the transformer evaluates inter-intent compatibility to perform cross-intent interest propagation. It updates intent embeddings with CF signals between intents. The resulting multiple fine-grained intent embeddings model the hybrid composition of users' interests for personalized recommendation. Extensive experiments on three real-world datasets demonstrate the effectiveness of the proposed CITE and verify the active role of the compatible intents for interest modeling.

Keyword:

Collaborative filtering User interest Embedding learning Personalized recommendation

Author Community:

  • [ 1 ] [Jian, Meng]Beijing Univ Technol, Fac Informat Technol, Beijing, Peoples R China
  • [ 2 ] [Wang, Tuo]Beijing Univ Technol, Fac Informat Technol, Beijing, Peoples R China
  • [ 3 ] [Lang, Langchen]Beijing Univ Technol, Fac Informat Technol, Beijing, Peoples R China
  • [ 4 ] [Wu, Lifang]Beijing Univ Technol, Fac Informat Technol, Beijing, Peoples R China
  • [ 5 ] [Zhou, Shenghua]Xidian Univ, Natl Lab Radar Signal Proc, Xian, Peoples R China

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Source :

APPLIED INTELLIGENCE

ISSN: 0924-669X

Year: 2023

Issue: 22

Volume: 53

Page: 27519-27536

5 . 3 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:19

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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