Distributed Collaborative Filtering for Robust Recommendations Against Shilling Attacks. - Ae-Ttie Ji; Cheol Yeon; Heung-Nam Kim; GeunSik Jo (Canadian AI, 2007)

Collaborative Tagging in Recommender Systems. - Ae-Ttie Ji; Cheol Yeon; Heung-Nam Kim; GeunSik Jo (Australian Conference on Artificial Intelligence, 2007)

A User-Item Predictive Model for Collaborative Filtering Recommendation. - Heung-Nam Kim; Ae-Ttie Ji; Cheol Yeon; GeunSik Jo (User Modeling, 2007)