# A multi-criteria collaborative filtering recommender system for the tourism domain using Expectation Maximization (EM) and PCA–ANFIS

> Research article (Electronic Commerce Research and Applications, 2015) · cited 218× · AI/ML

**Wikidata**: [openalex:W1130627218](https://www.wikidata.org/wiki/openalex:W1130627218)  
**Source**: https://4ort.xyz/entity/a-multi-criteria-collaborative-filtering-recommender-system-for-the-tourism-domain-using-expectation-maximization-em-and