A fixed-point method to compute similarities in sparse response data

A fixed-point method to compute similarities in sparse response data

Desrosiers, Christian and Karypis, G.

SIAM International Conference on Data Mining (SDM10). 2009

Abstract : Several key applications like recommender systems deal with data in the form of responses by users for items. In such applications, one of the most crucial task is to find users that share common interests, or items with similar characteristics. Assessing the similarity between łdots