Fraud discovery in a digital advertising ecosystem
US20200019985A1 Patents
Detecting and managing fraud in an online system is described . An example computer- implemented method can include obtaining a plurality of signals . Each of the signals may be purported to have been generated by a different client device. The method also includes calculating a sum mary value for the obtained signals that indicates a measure of similarity between the obtained signals and an expected distribution of signals . The method also includes determin ing that the summary value represents a statistically signifi cant deviation of the obtained signals from the expected distribution of s
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