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Erschienen in:
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2015 | OriginalPaper | Buchkapitel

Preference Elicitation and Negotiation in a Group Recommender System

verfasst von : Jesús Omar Álvarez Márquez, Jürgen Ziegler

Erschienen in: Human-Computer Interaction – INTERACT 2015

Verlag: Springer International Publishing

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Abstract

We present a novel approach to group recommender systems that better takes into account the social interaction in a group when formulating, discussing and negotiating the features of the item to be jointly selected. Our approach provides discussion support in a collaborative preference elicitation and negotiation process. Individual preferences are continuously aggregated and immediate feedback of the resulting recommendations is provided. We also support the last stage in the decision process when users collectively select the final item from the recommendation set. The prototype hotel recommender Hootle is developed following these concepts and tested in a user study. The results indicate a higher overall satisfaction with the system as well as a higher perceived recommendation quality when compared against a system version where no negotiation was possible. However, they also indicate that the negotiation-based approach may be more suitable for smaller groups, an aspect that will require further research.

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Vorheriges Kapitel EmbodiNet: Enriching Distributed Musical Collaboration Through Embodied Interactions
Nächstes Kapitel The #selfiestation: Design and Use of a Kiosk for Taking Selfies in the Enterprise
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Metadaten
Titel
Preference Elicitation and Negotiation in a Group Recommender System
verfasst von
Jesús Omar Álvarez Márquez
Jürgen Ziegler
Copyright-Jahr
2015
Buch
Human-Computer Interaction – INTERACT 2015

Print ISBN: 978-3-319-22667-5

Electronic ISBN: 978-3-319-22668-2

Copyright-Jahr: 2015

DOI
https://doi.org/10.1007/978-3-319-22668-2_2

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