1. Horting hatches an egg: A new graph-theoretic approach to collaborative filtering;Aggarwal;Knowledge Discovery and Data Mining,1999
2. FAB: Content-based collaborative recommendation;Balabanovic;Communications of the ACM,1997
3. Recommendation as classification: Using social and content-based information in recommendation;Basu,1998
4. Learning collaborative information filters;Billsus,1998
5. Empirical analysis of predictive algorithms for collaborative filtering;Breese,1998