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{ nguyen,haddawy} @ cs.uwm.edu

By Hien Nguyen* Peter

Abstract

This paper describes DIVA, a decision-theoretic agent for recommending movies that contains a number of novel features. DIVA represents user preferences using pairwise comparisons among items, rather than numeric ratings. It uses a novel similarity measure based on the concept of the probability of conflict between two orderings of ¯ items. The system has a rich representation of preference, distinguishing between a user’s general taste in movies and his immediate interests. It takes an incremental approach to preference elicitation in which the user can provide feedback if not satisfied with the recommendation list. We empirically evaluate the performance of the system using the EachMovie collaborative filtering database

Year: 2013
OAI identifier: oai:CiteSeerX.psu:10.1.1.321.6275
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