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Author:

Jian, M. (Jian, M..) | Wang, T. (Wang, T..) | Zhou, S. (Zhou, S..) | Lang, L. (Lang, L..) | Wu, L. (Wu, L..)

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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. © 2023, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

Keyword:

Collaborative filtering Personalized recommendation User interest Embedding learning

Author Community:

  • [ 1 ] [Jian M.]Faculty of Information Technology, Beijing University of Technology, Beijing, China
  • [ 2 ] [Wang T.]Faculty of Information Technology, Beijing University of Technology, Beijing, China
  • [ 3 ] [Zhou S.]National Laboratory of Radar Signal Processing, Xidian University, Xi’an, China
  • [ 4 ] [Lang L.]Faculty of Information Technology, Beijing University of Technology, Beijing, China
  • [ 5 ] [Wu L.]Faculty of Information Technology, Beijing University of Technology, Beijing, 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: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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