Anonymization of identifying portions of streaming data
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United States of America Patent
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Sep 12, 2017
Grant Date -
Oct 27, 2016
app pub date -
Jun 22, 2015
filing date -
Apr 27, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques are provided for anonymizing data in a data stream. In various embodiments, data in a data stream is anonymized by obtaining a partitioning of a space into a plurality of regions based on previously obtained data elements associated with the space; receiving a data stream comprising a plurality of newly obtained data elements associated with the space, each comprising an identifying portion and an associated sensitive portion; assigning each of the plurality of newly obtained data elements to one of the plurality of regions based on the identifying portion; determining if a full buffer criterion is satisfied for a buffer that stores at least a portion of the plurality of newly obtained data elements; and selecting one of the plurality of regions having a largest number of the newly obtained data elements and recording the associated sensitive portions of the newly obtained data elements in the selected one of the plurality of regions to a non-volatile storage medium on the condition that the full buffer criterion is satisfied.
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