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Multi-Criteria Recommender Systems (MCRS) can be defined as Recommender Systems that incorporate preference information upon multiple criteria. Instead of developing recommendation techniques based on a single criterion values, the overall preference of user u for the item i, these systems try to predict a rating for unexplored items of u by exploiting preference information on multiple criteria that affect this overall preference value. Several researchers approach MCRS as a Multi-criteria Decision Making (MCDM) problem, and apply MCDM methods and techniques to implement MCRS systems.
From: Wikipedia
Multi-criteria Recommender Systems