9.00‐9.20: Introduction (John O’Donovan)

Session 1: Interfaces for Consumer Product Recommendation (Chair: Peter Brusilovsky)
9.20­‐9.50 (Long Paper) Complements and Substitutes in Product Recommendations: The Differential Effects on Consumers’ Willingness­‐to­‐pay – Mingyue Zhang and Jesse Bockstedt

9.50-10.10 (Short Paper) Explanation Interfaces for Cosmetic Product Reviews: A Cross-Cultural User Study -John O’Donovan, Byungkyu Kang, Tobias Höllerer and Shinsuke Nakajima
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10.10-­10.30 (Short Paper) Investigating Mere-Presence Effects of Recommendations on the Consumer Choice Process – Sören Köcher, Dietmar Jannach, Michael Jugovac, Hartmut H. Holzmüller
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10.30-­11.00 Coffee break

11.00­‐12.00 Invited Talk: Bart Knijnenburg – Clemson University
“User Tailored Privacy for Interactive Recommender Systems”
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12.00-­2.00 Lunch

Session 2: User Preferences and Decisions (Chair: John O’Donovan)
2.00­‐2.30 (Long Paper) Learning User’s Preferred Household Organization via Collaborative Filtering Methods – Stephen Brawner and Michael L. Littman
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2.30-3.00 (Long Paper) Scalable Exploration of Relevance Prospects to Support Decision Making – Katrien Verbert, Denis Parra and Peter Brusilovsky
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3.00-­3.30 (Long Paper) Understanding Effects of Personalized vs. Aggregate
Ratings on User Preferences – Gediminas Adomavicius, Jesse Bockstedt, Shawn
Curley and Jingjing Zhang

3.30-4.00 Coffee break

Session 3: Multimedia and Applications (Chair: Gediminas Adomavicius)
4.00­‐4.30 (Long Paper) Can Trailers Help to Alleviate Popularity Bias in
Choice-­Based Preference Elicitation? – Mark Graus, Martijn C. Willemsen
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4.30-5.00 (Long Paper) Estimating Party-­user Similarity in Voting
Advice Applications using Hidden Markov Models-Marilena Agathokleous,
Nicolas Tsapatsoulis and Constantinos Djouvas

5.00-­5.20 (Short Paper) DiRec: A Distributed User Interface Video Recommender – Wessam Abdrabo and Wolfgang Wörndl

5.20-5.40 Wrap-­up and discussion