Journal of East China Normal University(Natural Science) >

2023 , Vol. 2023 >Issue 6: 73 - 84

DOI: https://doi.org/10.3969/j.issn.1000-5641.2023.06.007

Computer Science

Hierarchical description-aware personalized recommendation system

  • Daojia CHEN ,
  • Zhiyun CHEN
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  • 1. School of Computer Science and Technology, East China Normal University, Shanghai　200062, China
    2. School of Data Science and Engineering, East China Normal University, Shanghai　20062, China

Received date: 2022-05-04

  Online published: 2023-11-23

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Abstract

Review text contains comprehensive user and item information and it has a great influence on users’ purchase decision. When users interact with different target items, they may show complex interests. Therefore, accurately extracting review semantic features and modeling the contextual interaction between items and users is critical for learning user preferences and item attributes. Focusing on enhancing the personalization capture and dynamic interest modeling abilities of recommender systems, and considering the usefulness of different features, we propose a hierarchical description-aware personalized recommendation (DAPR) algorithm. At the word level of review text, we design a personalized information selection network to extract important word semantic features. At the review level, we design a neural network based on a cross-attention mechanism to dynamically learn the usefulness of reviews, concatenate review summaries as descriptions, and devise a co-attention network to capture rich context-aware features. The analysis of five Amazon datasets reveal that the proposed method can achieve comparable recommendation performance to the baseline models.

Key words： recommendation system; review-based; attention mechanism; co-attention

Cite this article

Daojia CHEN , Zhiyun CHEN . Hierarchical description-aware personalized recommendation system[J]. Journal of East China Normal University(Natural Science), 2023 , 2023(6) : 73 -84 . DOI: 10.3969/j.issn.1000-5641.2023.06.007

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