Incremental Collaborative Filtering for Highly-Scalable Recommendation Algorithms. - Manos Papagelis; Ioannis Rousidis; Dimitris Plexousakis; Elias Theoharopoulos (ISMIS, 2005)

On a Probabilistic Combination of Prediction Sources. - Ioannis Rousidis; George Tzagkarakis; Dimitris Plexousakis; Yannis Tzitzikas (ISMIS, 2008)