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Pattern Recognition and Artificial Intelligence  2024, Vol. 37 Issue (3): 231-241    DOI: 10.16451/j.cnki.issn1003-6059.202403004
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Multimodal Recommendation Method Integrating Latent Structures and Semantic Information
ZHANG Xiaoming1, LIANG Zhengguang1, YAO Changyu1, LI Zhaoxing1
1. Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601

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Abstract  Multimodal recommender systems aim to improve recommendation performance via multimodal information such as text and visual information. However, existing systems usually integrate multimodal semantic information into item representations or utilize multimodal features to search the latent structure without fully exploiting the correlation between them. Therefore, a multimodal recommendation method integrating latent structures and semantic information is proposed. Based on user's historical behavior and multimodal features, user-user and item-item graphs are constructed to search the latent structure, and user-item bipartite graphs are built to learn the user's historical behavior. The graph convolutional neural network is utilized to learn the topological structure of different graphs. To better integrate latent structures and semantic information, contrastive learning is employed to align the learned latent structure representations of item with their multimodal original features. Finally, evaluation experiments on three datasets demonstrate the effectiveness of the proposed method.
Key wordsRecommender System      Multimodal Recommender System      Contrastive Learning      Graph Neural Network     
Received: 15 January 2024     
ZTFLH: TP 391  
Fund:Natural Science Foundation of Anhui Province(No.2208085MF174), Industry-Academy-Research Innovation Fund of Ministry of Education of China(No.2021ZYA06004)
Corresponding Authors: ZHANG Xiaoming, Ph.D., associate professor. His research interests include swarm intelligence and intelligent decision making.   
About author:: LIANG Zhengguang, Master student. His research interests include recommender systems and knowledge graph.YAO Changyu, Master student. His research interests include robot task planning and reinforcement learning.LI Zhaoxing, Master student. His research interests include graph neural networks.
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ZHANG Xiaoming
LIANG Zhengguang
YAO Changyu
LI Zhaoxing
Cite this article:   
ZHANG Xiaoming,LIANG Zhengguang,YAO Changyu等. Multimodal Recommendation Method Integrating Latent Structures and Semantic Information[J]. Pattern Recognition and Artificial Intelligence, 2024, 37(3): 231-241.
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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.202403004      OR     http://manu46.magtech.com.cn/Jweb_prai/EN/Y2024/V37/I3/231
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