An Adaptive, Context-Aware, and Stacked Attention Network-Based Recommendation System to Capture Users Temporal Preference

Jung Hsien Chiang, Chung Yao Ma, Chi Shiang Wang, Pei Yi Hao

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

Recommendation systems have become more important since the widespread use of the Internet. The large amount of information means that it is difficult for users to discover they really need. However, users preferences can change over time because of the age and the impact of social networks. This study uses context factors as additional information to model users preferences more precisely. For the proposed recommendation system, the context is based on users interaction items within each defined time interval. This study proposes two novel attention mechanisms for the recommendation system. The contextual item attention module captures contextual information, changing pattern in users preference and the importance of items. The multi-head attention module extends the diversity of users preferences and adapts to changing preferences. The recommendation performance is improved using additional items temporal information to model the contextual items representation. Experiments compare the proposed algorithm with several state-of-the-art recommendation methods using three real-world datasets. The experimental results demonstrate that the proposed context-aware recommendation model outperforms traditional methods and demonstrate the effectiveness with which contextual information is captured by the attention mechanism.

All Science Journal Classification (ASJC) codes

  • 資訊系統
  • 電腦科學應用
  • 計算機理論與數學

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