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DOI: 10.14569/IJACSA.2017.080743
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Comparative Analysis of Online Rating Systems

Author 1: Mohammad Azzeh

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 8 Issue 7, 2017.

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Abstract: Online rating systems serve as decision support tool for choosing the right transactions on the internet. Consumers usually rely on others’ experiences when do transaction on the internet, therefore their feedbacks are helpful in succeeding such transactions. One important form of such feedbacks is the product ratings. Most online rating systems have been proposed either by researchers or industry. But there is much debate about their accuracies and stability. This paper looks at the accuracy and stability of set of common online rating systems over dense and sparse datasets. To accomplish that we used three evaluation measures namely, Mean Absolute Errors (MAE), Mean Balanced Relative Error (MBRE) and Mean Inverse Balanced Relative Error (MIBRE), in addition to Borda count to assess the stability of ranking among various rating systems. The results showed that both median and Dirichlet are the most accurate models for both sparse and dense datasets, whereas the BetaDR model is the most stable model across different evaluation measures. Therefore we recommend using Dirichlet or BetaDR for the products with few number of ratings and using the median model with products of large number of ratings.

Keywords: Online rating systems; reputation models; comparative analysis; decision making; e-commerce

Mohammad Azzeh, “Comparative Analysis of Online Rating Systems” International Journal of Advanced Computer Science and Applications(IJACSA), 8(7), 2017. http://dx.doi.org/10.14569/IJACSA.2017.080743

@article{Azzeh2017,
title = {Comparative Analysis of Online Rating Systems},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2017.080743},
url = {http://dx.doi.org/10.14569/IJACSA.2017.080743},
year = {2017},
publisher = {The Science and Information Organization},
volume = {8},
number = {7},
author = {Mohammad Azzeh}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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