Group Drgs ch Recommender systems Evolution of Collaborative filtering Recommender interfaces John riedl For the grouplens research group University of minnesota riedl@cs. umn. edu http://www.cs.umn.edu/research/grouplens Yahoo, Summer 2004
Yahoo, Summer 2004 1 Recommender Systems: Evolution of Collaborative Filtering Recommender Interfaces John Riedl For the GroupLens Research Group University of Minnesota {riedl}@cs.umn.edu http://www.cs.umn.edu/Research/GroupLens
Rescarch Challenges in Recommenders Recommending for Groups(Cosley CsCW 02) Community Recommenders ludford chI 04) Confidence and Explanation(Herlocker CSCW 00)(MCNee Interact 03) Social Navigation(Hook02, 05 Reducing rating effort New Items and Users McNee IUI 02) Shilling lam WWw04) Small Device recommenders( Miller Tois 04) Yahoo, Summer 2004 2
Yahoo, Summer 2004 2 Challenges in Recommenders Recommending for Groups (Cosley CSCW ’02) Community Recommenders (Ludford CHI ’04) Confidence and Explanation (Herlocker CSCW ‘00) (McNee Interact ’03) Social Navigation (Hook ’02, ‘05) Reducing Rating Effort New Items and Users (McNee IUI ’02) Shilling (Lam WWW ’04) Small Device Recommenders (Miller TOIS ’04)
Rescarch Challenges in Recommenders Recommending for Groups(Cosley CsCW 02) Community Recommenders ludford chI 04) Confidence and Explanation(Herlocker CSCW 00)(MCNee Interact03) Social Navigation(Hook02, 05 Reducing rating effort New Items and Users (MCNee IUI 02) Shilling (Lam WWW04) Small Device recommenders( Miller Tois 04) Yahoo, Summer 2004
Yahoo, Summer 2004 3 Challenges in Recommenders Recommending for Groups (Cosley CSCW ’02) Community Recommenders (Ludford CHI ’04) Confidence and Explanation (Herlocker CSCW ‘00) (McNee Interact ’03) Social Navigation (Hook ’02, ‘05) Reducing Rating Effort New Items and Users (McNee IUI ’02) Shilling (Lam WWW ’04) Small Device Recommenders (Miller TOIS ’04)
Group Drgs rch Messages Don't Make Me look stupid Dont be boring Measure what matters Yahoo, Summer 2004
Yahoo, Summer 2004 4 Messages “Don’t Make Me Look Stupid” “Don’t Be Boring” Measure what Matters
Grofb lgescarch Recommenders Tools to help identify worthwhile stuff Filtering interfaces E-mail filters, clipping services Recommendation interfaces Suggestion lists, top-n, offers and promotions Prediction interfaces Evaluate candidates, predicted ratings Yahoo, Summer 2004 5
Yahoo, Summer 2004 5 Recommenders Tools to help identify worthwhile stuff Filtering interfaces E-mail filters, clipping services Recommendation interfaces Suggestion lists, “top-n,” offers and promotions Prediction interfaces Evaluate candidates, predicted ratings