A Comment Aspect-Level User Preference Transfer Model for Cross-Domain Recommendations

Wumei Zhang, Jianping Zhang and Yongzhen Zhang
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Wumei Zhang: Zhejiang Tongji Vocational College of Science and Technology, China
Jianping Zhang: Zhejiang Tongji Vocational College of Science and Technology, China
Yongzhen Zhang: Zhejiang Tongji Vocational College of Science and Technology, China

Information Resources Management Journal (IRMJ), 2024, vol. 37, issue 1, 1-27

Abstract: Traditional cross-domain recommendation models make it difficult to deeply mine users' aspect-level preferences from comment information due to existing problems such as polysemy of comment text, sparse comment data, and user cold start. A Cross-Domain Recommender (CDR) model that integrates comment knowledge enhancement and aspect-level user preference transfer (C-KE-AUT) was proposed to address the above issues. Firstly, an aspect-level user preference extraction model was constructed by combining the RoBERTa word embedding model, high-level feature representation based on Transformer, and aspect-level attention-learning methods. Then, a user aspect-level preference cross-domain transfer model was constructed based on a two-stage generative adversarial network that can transfer the aspect-level interest preferences of users in the source domain to the target domain with sparse data. The experimental results on the Amazon 2018 comment dataset indicated that the recommendation performance of the proposed C-KE-AUT model was significantly superior to other advanced comparative models.

Date: 2024
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