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Real-Time Analysis of Online Product Reviews by Means of Multi-Layer Feed-Forward Neural Networks

Author

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  • Reinhold Decker

    (Prof. Dr. Reinhold Decker, Vice-rector for Finance and Resources, Department of Business Administration and Economics, Bielefeld University, Germany,)

Abstract

In the recent past, the quantitative analysis of online product reviews (OPRs) has become a popular manifestation of marketing intelligence activities focusing on products that are frequently subject to electronic word-of-mouth (eWOM). Typical elements of OPRs are overall star ratings, product attrib-ute scores, recommendations, pros and cons, and free texts. The first three elements are of particular interest because they provide an aggregate view of reviewers’ opinions about the products of inter-est. However, the significance of individual product attributes in the overall evaluation process can vary in the course of time. Accordingly, ad hoc analyses of OPRs that have been downloaded at a cer-tain point in time are of limited value for dynamic eWOM monitoring because of their snapshot char-acter. On the other hand, opinion platforms can increase the meaningfulness of the OPRs posted there and, therewith, the usefulness of the platform as a whole, by directing eWOM activities to those product attributes that really matter at present. This paper therefore introduces a neural net-work-based approach that allows the dynamic tracking of the influence the posted scores of product attributes have on the overall star ratings of the concerning products. By using an elasticity measure, this approach supports the identification of those attributes that tend to lose or gain significance in the product evaluation process over time. The usability of this approach is demonstrated using real OPR data on digital cameras and hotels.

Suggested Citation

  • Reinhold Decker, 2014. "Real-Time Analysis of Online Product Reviews by Means of Multi-Layer Feed-Forward Neural Networks," International Journal of Business and Social Research, MIR Center for Socio-Economic Research, vol. 4(11), pages 60-70, November.
    • Handle: RePEc:mir:mirbus:v:4:y:2014:i:11:p:60-70
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    References listed on IDEAS

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    More about this item

    Keywords

    eWOM; feed-forward neural network; online product reviews; real-time analysis.;
    All these keywords.

    JEL classification:

    • M31 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Marketing and Advertising - - - Marketing
    • C45 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Neural Networks and Related Topics
    • C55 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Large Data Sets: Modeling and Analysis

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