METHOD FOR PRODUCING USER RECOMMENDATION GROUP BASED ON BETWEENNESS CENTRALITY

摘要

The present invention relates to a method for generating a user recommendation group in a recommendation system based on collaborative filtering and, more specifically, to a method for generating a user recommendation group in consideration of not only recommendation accuracy but also recommendation diversity and recommendation serendipity by determining an additional recommender in consideration of the betweenness centrality of candidate recommenders, who constitute the surrounding recommendation group of a user, if a deleted recommender exists in the user recommendation group.