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Erschienen in: Electronic Commerce Research 4/2020

24.10.2018

Situation awareness for recommender systems

verfasst von: Christian Richthammer, Günther Pernul

Erschienen in: Electronic Commerce Research | Ausgabe 4/2020

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Abstract

One major shortcoming of traditional recommender systems is their inability to adjust to users’ short-term preferences resulting from varying situation-specific factors. To address this, we propose the notion of situation-aware recommender systems, which are supposed to autonomously determine the users’ current situation based on a multitude of contextual side information and generate truly personalized recommendations. In particular, we develop a situation awareness model for recommender systems, include it in a situation-aware recommendation process, and derive generic design steps for the design of situation-aware recommender systems. The feasibility of these concepts is demonstrated by directly employing them for the development and implementation of a music recommender system for everyday situations. Moreover, their meaningfulness is shown by means of an empirical user study. The outcomes of the evaluation indicate a significant increase in user satisfaction compared to traditional (i.e. non-situation-aware) recommendations.

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Metadaten
Titel
Situation awareness for recommender systems
verfasst von
Christian Richthammer
Günther Pernul
Publikationsdatum
24.10.2018
Verlag
Springer US
Erschienen in
Electronic Commerce Research / Ausgabe 4/2020
Print ISSN: 1389-5753
Elektronische ISSN: 1572-9362
DOI
https://doi.org/10.1007/s10660-018-9321-z

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