Periodicity detection
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United States of America Patent
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Jan 30, 2018
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app pub date -
Jun 30, 2014
filing date -
Jun 30, 2014
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Abstract
Improved techniques involve testing periodicity at a given period based on locations of clicks within a sampling window whose duration is a multiple of the given period. Along these lines, when a testing server receives a click stream from a client machine, the testing server assigns a timestamp to each of the clicks in the click stream. The testing server generates a list of candidate periods at which periodicity of the click stream is to be tested. For each of the candidate periods, the testing server forms a sampling window whose duration is a multiple of that candidate period and tests whether the click stream is periodic based on the locations of the clicks within the sampling window. If indeed the testing server finds that the click stream is periodic at any of the candidate periods, the testing server may send an alert to a security entity to indicate that suspect activity has been identified.
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