Conditional Collaborative Filtering Process for Top-K Recommender System (Student Abstract)

Conditional neural process (CNP) has been extensively applied into data analyzing tasks due to its excellent ability to make accurate predictions for incomplete data points. However, in literature there are only few works that studied the CNP in recommendation systems. In this work, we propose CCFP, which is a collaborative filtering method that differs from other CF models by incorporating CNP into encoderdecoder architecture. By analyzing the complete user-item interaction data, our model fits a global representation that can better representing the features of users and items. CCFP can significantly improve the recommendation performance compared to baselines by predicting items for the target users with their incomplete observation data.

Authors

• Guanyu Wang
• Xovee Xu University of Electronic Science and Technology of China
• Ting Zhong University of Electronic Science and Technology of China
• Fan Zhou University of Electronic Science and Technology of China

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