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Systems and methods for efficient detection of fingerprinted data and information

  • US 9,130,972 B2
  • Filed: 05/24/2010
  • Issued: 09/08/2015
  • Est. Priority Date: 05/26/2009
  • Status: Active Grant
First Claim
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1. A system for managing potential transmission of a plurality of electronic documents over a network, the system comprising:

  • hardware electronic processing means for generating a repository of compact fingerprints comprising a plurality of compact fingerprints, wherein each of the compact fingerprints is generated by;

    selecting a subset of the plurality of electronic documents to which a particular transmission policy is applied,hashing the subset of the plurality of electronic documents to generate a plurality of corresponding hashes, andgenerating a compact fingerprint based on the plurality of hashes;

    hardware electronic processing means for identifying an electronic document on the electronic network with a scanning engine;

    hardware electronic processing means for generating a plurality of new fingerprints of the identified electronic document;

    hardware electronic processing means for determining probabilistic matches between the plurality of new fingerprints of the identified electronic document and compact fingerprints stored in the compact fingerprint repository; and

    hardware electronic processing means for determining whether to transmit the identified electronic document over the electronic network based, at least in part on a number of matching fingerprints.

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