Utilizing related products for post-purchase recommendation in e-commerce

  • Authors:
  • Jian Wang;Badrul Sarwar;Neel Sundaresan

  • Affiliations:
  • University of California Santa Cruz, Santa Cruz, CA, USA;eBay Research Labs, San Jose, CA, USA;eBay Research Labs, San Jose, CA, USA

  • Venue:
  • Proceedings of the fifth ACM conference on Recommender systems
  • Year:
  • 2011

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Abstract

In this paper, we design a recommender system for the post-purchase stage, i.e., after a user purchases a product. Our method combines both behavioral and content aspects of recommendations. We first find the most related categories for the active product in the post-purchase stage. Among these related categories, products with high behavioral relevance and content relevance are recommended to the user. In addition, our algorithm considers the temporal factor, i.e., the purchase time of the active product and the recommendation time. We apply our algorithm on a random sample of the purchase data from eBay. Comparing to the baseline item-based collaborative filtering approach, our hybrid recommender system achieves significant coverage and purchase rate gain for different time windows.