DCDIR: A Deep Cross-Domain Recommendation System for Cold Start Users in Insurance Domain
This addresses the cold start issue for insurance companies, but it is incremental as it adapts existing cross-domain methods to a specific domain.
The paper tackles the cold start problem for users in the insurance domain by proposing DCDIR, a deep cross-domain recommendation system that leverages knowledge graphs and GRU modeling, and it significantly outperforms state-of-the-art solutions on company datasets.
Internet insurance products are apparently different from traditional e-commerce goods for their complexity, low purchasing frequency, etc.So, cold start problem is even worse. In traditional e-commerce field, several cross-domain recommendation (CDR) methods have been studied to infer preferences of cold start users based on their preferences in other domains. However, these CDR methods could not be applied into insurance domain directly due to product complexity. In this paper, we propose a Deep Cross Domain Insurance Recommendation System (DCDIR) for cold start users. Specifically, we first learn more effective user and item latent features in both domains. In target domain, given the complexity of insurance products, we design meta path based method over insurance product knowledge graph. In source domain, we employ GRU to model user dynamic interests. Then we learn a feature mapping function by multi-layer perceptions. We apply DCDIR on our company datasets, and show DCDIR significantly outperforms the state-of-the-art solutions.