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Author:

He, Ming (He, Ming.) | Han, Tianshuo (Han, Tianshuo.) | Ding, Tianyu (Ding, Tianyu.)

Indexed by:

CPCI-S EI Scopus

Abstract:

Predicting users’ actions based on anonymous sessions is a challenging problem due to the uncertainty of user behavior and limited information. Recent advances in graph neural networks (GNN) have led to a promising approach for addressing this problem. However, existing methods have three major issues. First, they are incapable of modeling the transitions between inconsecutive items. Second, they are infeasible for learning the cross-feature interactions when learning the item relationships. Third, very few models can adapt to the improvement of embedding quality to help improve recommendation performance. Therefore, to address these issues, we propose a novel model named M ultilevel F eature I nteractions L earning (MFIL) that effectively learns item and session representation using GNN. By leveraging item side information, e.g., brands and categories, MFIL can model transitions between inconsecutive items in the session graph (session-level). We further design hierarchical structures to learn the feature interactions, which is effective to estimate the importance weights of different neighboring items in the global graph (global-level). In addition, an effective learning strategy is employed to enhance MFIL’s capability, and it performs better than the classic regularization methods. Extensive experiments conducted on real-world datasets demonstrate that MFIL, significantly outperforms existing state-of-the-art graph-based methods. © 2022, Springer Nature Switzerland AG.

Keyword:

Behavioral research Recommender systems User profile Graphic methods Learning systems Graph neural networks

Author Community:

  • [ 1 ] [He, Ming]Beijing University of Technology, Beijing, China
  • [ 2 ] [Han, Tianshuo]Beijing University of Technology, Beijing, China
  • [ 3 ] [Ding, Tianyu]Beijing University of Technology, Beijing, China

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ISSN: 0302-9743

Year: 2022

Volume: 13362 LNCS

Page: 31-46

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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