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Uniform search system and method for selectively sharing distributed access-controlled documents

  • US 20050055327A1
  • Filed: 09/08/2003
  • Published: 03/10/2005
  • Est. Priority Date: 09/08/2003
  • Status: Active Grant
First Claim
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1. A method of selectively sharing a plurality of distributed access-controlled documents, comprising:

  • a plurality of content providers cooperating to create a privacy-preserving index structure; and

    the privacy-preserving index structure mapping a plurality of keywords representing a content to be shared to the plurality of content providers.

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