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Towards Explainable Conversational Recommendation - 2020

Towards Explainable Conversational Recommendation

Research Area:  Machine Learning


Recent studies have shown that both accuracy and explainability are important for recommendation. In this paper, we introduce explainable conversational recommendation, which enables incremental improvement of both recommendation accuracy and explanation quality through multi-turn user-model conversation. We show how the problem can be formulated, and design an incremental multi-task learning framework that enables tight collaboration between recommendation prediction, explanation generation, and user feedback integration. We also propose a multi-view feedback integration method to enable effective incremental model update. Empirical results demonstrate that our model not only consistently improves the recommendation accuracy but also generates explanations that fit user interests reflected in the feedbacks.


Author(s) Name:  Zhongxia Chen, Xiting Wang, Xing Xie, Mehul Parsana, Akshay Soni, Xiang Ao, Enhong Chen

Journal name:  

Conferrence name:  Proceedings of the Twenty-Ninth International Joint Conference on Artificial Intelligence

Publisher name:  IJCAI

DOI:  10.24963/ijcai.2020/414

Volume Information: