More Efficient Tagging Systems with Tag Seeding

GroupLens Research-Department of Computer Science, University of Minnesota, Twin Cities, USA The authors thank Ting-Yu Wang for his contribution in developing the user interface. Authors would also like to thank Shilad Sen and the rest of GroupLens for their feed- back on the ideas presented in this paper. We also thank the MovieLens community for their responses, feedback and suggestions. This paper is funded by National Science Foundation grant IIS 09-64695.