# Predicting User Purchase in E-commerce by Comprehensive Feature Engineering and Decision Boundary Focused Under-Sampling

> Research article (Proceedings of the 2015 International ACM Recommender Systems Challenge, 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W2080997794](https://www.wikidata.org/wiki/openalex:W2080997794)  
**Source**: https://4ort.xyz/entity/predicting-user-purchase-in-e-commerce-by-comprehensive-feature-engineering-and-decision-boundary-focused-under-sampling