| Vol-1050 urn:nbn:de:0074-1050-6 Copyright © 2013 for the individual papers by the papers' authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors.

# Decisions@RecSys 2013
Human Decision Making in Recommender Systems

### Proceedings of the 3rd Workshop on Human Decision Making in Recommender Systems
in conjunction with the 7th ACM Conference on Recommender Systems (RecSys 2013)

### Hong Kong, China, October 12, 2013.

Edited by

### Li Chen (1)
Marco de Gemmis (2)
Alexander Felfernig (3)
Pasquale Lops (2)
Francesco Ricci (4)
Giovanni Semeraro (2)
Martijn Willemsen (5)

(1) Hong Kong Baptist University, Hong Kong
(2) University of Bari Aldo Moro, Italy
(3) Graz University of Technology, Austria
(4) University of Bozen-Bolzano, Italy
(5) Eindhoven University of Technology, The Nederlands

## Table of Contents

- Preface ii

### Accepted Papers

- Efficiency Improvement of Neutrality-Enhanced Recommendation 1-8
  Toshihiro Kamishima, Shotaro Akaho, Hideki Asoh, Jun Sakuma
- Towards User Profile-based Interfaces for Exploration of Large Collections of Items 9-16
  Claudia Becerra, Sergio Jimenez, Alexander Gelbukh
- Selecting Gestural User Interaction Patterns for Recommender Applications on Smartphones 17-20
  Wolfgang Wörndl, Jan Weicker, Béatrice Lamche
- The Role of Emotions in Context-aware Recommendation 21-28
  Yong Zheng, Bamshad Mobasher, Robin Burke
- Managing Irrelevant Contextual Categories in a Movie Recommender System 29-35
  Ante Odić, Marko Tkalčič, Andrej Košir
- An Improved Data Aggregation Strategy for Group Recommendations 36-39
  Toon De Pessemier, Simon Dooms, Luc Martens

### Invited Presentations

- Simplifying Privacy Decisions: Towards Interactive and Adaptive Solutions 40-41
  Bart Knijnenburg
- Food Recommendations: Biases that Underpin Ratings 42
  Shlomo Berkovsky, Jill Freyne

Download the Decisions@RecSys 2013 proceedings in a single volume (4.2 Mb)

2013-09-27: submitted by Pasquale Lops
2013-09-27: published on CEUR-WS.org