1. Date of download: 1/3/2018
Copyright © ASME. All rights reserved.
From: Mitigating Online Product Rating Biases Through the Discovery of Optimistic, Pessimistic, and Realistic Reviewers
J. Mech. Des. 2017;139(11): doi: /
Figure Legend:
Classification of optimistic/pessimistic/realistic/unreliable reviewers based on customer rating histories and product sales rankings

2. Date of download: 1/3/2018
Copyright © ASME. All rights reserved.
From: Mitigating Online Product Rating Biases Through the Discovery of Optimistic, Pessimistic, and Realistic Reviewers
J. Mech. Des. 2017;139(11): doi: /
Figure Legend:
An example of biased ratings, along with reviewer A's and reviewer B's product rating histories

3. Date of download: 1/3/2018
Copyright © ASME. All rights reserved.
From: Mitigating Online Product Rating Biases Through the Discovery of Optimistic, Pessimistic, and Realistic Reviewers
J. Mech. Des. 2017;139(11): doi: /
Figure Legend:
The distributions of Amazon.com's and the lab experiments' product star ratings

4. Date of download: 1/3/2018
Copyright © ASME. All rights reserved.
From: Mitigating Online Product Rating Biases Through the Discovery of Optimistic, Pessimistic, and Realistic Reviewers
J. Mech. Des. 2017;139(11): doi: /
Figure Legend:
Overview of the proposed method

5. Date of download: 1/3/2018
Copyright © ASME. All rights reserved.
From: Mitigating Online Product Rating Biases Through the Discovery of Optimistic, Pessimistic, and Realistic Reviewers
J. Mech. Des. 2017;139(11): doi: /
Figure Legend:
Possible probability distributions of product ratings of optimistic, pessimistic, realistic, and unreliable reviewers

6. Date of download: 1/3/2018
Copyright © ASME. All rights reserved.
From: Mitigating Online Product Rating Biases Through the Discovery of Optimistic, Pessimistic, and Realistic Reviewers
J. Mech. Des. 2017;139(11): doi: /
Figure Legend:
An example of applying a minimum distance classifier to classify Ci

7. Date of download: 1/3/2018
Copyright © ASME. All rights reserved.
From: Mitigating Online Product Rating Biases Through the Discovery of Optimistic, Pessimistic, and Realistic Reviewers
J. Mech. Des. 2017;139(11): doi: /
Figure Legend:
The correlation coefficients of product sales rankings

8. Date of download: 1/3/2018
Copyright © ASME. All rights reserved.
From: Mitigating Online Product Rating Biases Through the Discovery of Optimistic, Pessimistic, and Realistic Reviewers
J. Mech. Des. 2017;139(11): doi: /
Figure Legend:
The correlation coefficients of reviewers' sentiment scores

9. Date of download: 1/3/2018
Copyright © ASME. All rights reserved.
From: Mitigating Online Product Rating Biases Through the Discovery of Optimistic, Pessimistic, and Realistic Reviewers
J. Mech. Des. 2017;139(11): doi: /
Figure Legend:
The distributions of the original star ratings and the adjusted star ratings for 739 products