Scholz, Michael and Dorner, Verena and Schryen, Guido and Benlian, Alexander (2017) A configuration-based recommender system for supporting e-commerce decisions. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 259 (1). pp. 205-215. ISSN 0377-2217, 1872-6860
Full text not available from this repository. (Request a copy)Abstract
Multi-attribute value theory (MAVT)-based recommender systems have been proposed for dealing with issues of existing recommender systems, such as the cold-start problem and changing preferences. However, as we argue in this paper, existing MAVT-based methods for measuring attribute importance weights do not fit the shopping tasks for which recommender systems are typically used. These methods assume well-trained decision makers who are willing to invest time and cognitive effort, and who are familiar with the attributes describing the available alternatives and the ranges of these attribute levels. Yet, recommender systems are most often used by consumers who are usually not familiar with the available attributes and ranges and who wish to save time and effort. Against this background, we develop a new method, based on a product configuration process, which is tailored to the characteristics of these particular decision makers. We empirically compare our method to SWING, ranking-based conjoint analysis and TRADEOFF in a between-subjects laboratory experiment with 153 participants. Results indicate that our proposed method performs better than TRADEOFF and CONJOINT and at least as well as SWING in terms of recommendation accuracy, better than SWING and TRADEOFF and at least as well as CONJOINT in terms of cognitive load, and that participants were faster with our method than with any other method. We conclude that our method is a promising option to help support consumers' decision processes in e-commerce shopping tasks. (C) 2016 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | MULTIATTRIBUTE UTILITY MEASUREMENT; PROSPECT-THEORY; CONJOINT-ANALYSIS; MODELS; CHOICE; RANGE; CUSTOMIZATION; UNCERTAINTY; SENSITIVITY; HEURISTICS; E-commerce; Recommender system; Attribute weights; Configuration system; Decision support |
| Subjects: | 300 Social sciences > 330 Economics |
| Divisions: | Business, Economics and Information Systems > Institut für Wirtschaftsinformatik Business, Economics and Information Systems > Institut für Wirtschaftsinformatik > Professur für Wirtschaftsinformatik (Prof. Dr. Guido Schryen) |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 14 Dec 2018 13:10 |
| Last Modified: | 15 Feb 2019 12:21 |
| URI: | https://pred.uni-regensburg.de/id/eprint/878 |
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