Grouplens Research | 208 followers on LinkedIn. We advance the theory and practice of social computing by building and understanding systems used by real people. | GroupLens is a human–computer interaction research lab in the Department of Computer Science and Engineering at the University of Minnesota, Twin Cities specializing in recommender systems, online communities, mobile and ubiquitous technologies, digital libraries, and local geographic information systems. GroupLens Faculty includes Joe Konstan, Loren Terveen, Lana Yarosh, Stevie Chancellor, and Harman Kaur.