SYSTEMS AND METHODS FOR DETECTING UNFAIR MANIPULATIONS OF ON-LINE REPUTATION SYSTEMS
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United States of America Patent
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Issued Date -
Mar 3, 2011
app pub date -
Oct 21, 2010
filing date -
May 14, 2008
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Abandoned
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Abstract
A method is disclosed for detecting unfair ratings in rating data over a period of time in connection with an on-line rating system. The method includes the steps of: detecting changes in an arrival rate of ratings in the rating data over the period of time and providing arrival rate change data; detecting changes in a model of the rating data over the period of time such that changes in the model are represented as model errors and providing model error data; detecting changes in a histogram of the rating data over the period of time and providing histogram detection data; detecting changes in a mean of the rating data over the period of time and providing mean change detection data; and processing the arrival rate change data, the model error data, the histogram detection data, and the mean change detection data to identify unfair ratings in the rating data.
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