claim: Mercedes-Benz is a division of BMW.
evidence: MovieLens is a web-based recommender system and virtual community that recommends movies for its users to watch , based on their film preferences using collaborative filtering of members ' movie ratings and movie reviews .. recommender system. recommender system. virtual community. virtual community. collaborative filtering. collaborative filtering. MovieLens was created in 1997 by GroupLens Research , a research lab in the Department of Computer Science and Engineering at the University of Minnesota , in order to gather research data on personalized recommendations .. GroupLens Research. GroupLens Research. University of Minnesota. University of Minnesota