Method/system for the online identification and blocking of privacy vulnerabilities in data streams
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United States of America Patent
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Oct 9, 2018
Grant Date -
Jan 25, 2018
app pub date -
Jul 22, 2016
filing date -
Jul 22, 2016
priority date (Note) -
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Abstract
A method and system for automatically identifying and protecting privacy vulnerabilities in data streams includes indexing data values for each attribute of the data stream received by local virtual machines based on a schema of each data stream, classifying the data attributes of the plurality of data streams into known data types, integrating the local virtual machine indexes into a global index data structure for the data streams including single attribute data values, identifying privacy vulnerabilities in the data as attributes that are direct identifiers based on the attribute data values stored in the global index and combinations of attributes that are quasi-identifiers based on the low frequency of certain combinations of attribute data value pairs by computing the frequency based on the single attribute data values stored in the global index and providing privacy protection to the data streams by applying data transformations on the discovered direct identifiers and the quasi-identifiers.
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