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Group Recommender Systems pp 129–144Cite as

Further Choice Scenarios

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Abstract

Until now, we have focused on group recommendation techniques for choice scenarios, related to explicitly-defined items. However, further choice scenarios exist that differ in the way alternatives are represented and recommendations are determined. We introduce a categorization of these scenarios and discuss knowledge representation and group recommendation aspects on the basis of examples.

Alexander Felfernig, Müslüm Atas, Ralph Samer, Martin Stettinger, Thi Ngoc Trang Tran, and Stefan Reiterer

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Notes

  1. 1.

    We limit our discussions to scenarios with three partitions.

  2. 2.

    For a discussion of the potential impacts of voting strategies, we refer to [16].

  3. 3.

    The aggregation functions used in this and other scenarios are considered as convenient, however, other alternatives might exist.

  4. 4.

    For example, choco-solver.org.

  5. 5.

    In order to reduce evaluation efforts, a user could specify only preferred items and the system would assume negative evaluations for items a user did not evaluate.

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Authors and Affiliations

  1. Institute for Software Technology, Graz University of Technology, Graz, Austria

    Alexander Felfernig & Martin Stettinger

  2. EURECAT, Centre Tecnológico de Catalunya, Barcelona, Spain

    Ludovico Boratto

  3. Faculty of Computer Science, Free University of Bozen-Bolzano, Bolzano, Italy

    Marko Tkalčič

Authors
  1. Alexander Felfernig
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  2. Ludovico Boratto
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  3. Martin Stettinger
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  4. Marko Tkalčič
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Felfernig, A., Boratto, L., Stettinger, M., Tkalčič, M. (2018). Further Choice Scenarios. In: Group Recommender Systems . SpringerBriefs in Electrical and Computer Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-75067-5_7

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  • DOI: https://doi.org/10.1007/978-3-319-75067-5_7

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