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Data custodian and curation system

  • US 9,147,195 B2
  • Filed: 06/14/2011
  • Issued: 09/29/2015
  • Est. Priority Date: 06/14/2011
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a data repository comprising a plurality of private data sets, each of said private data sets being available for purchase in a data marketplace, a private data set, from said plurality of private data sets, comprising a set of data groups, including a first data group, each of said data groups being encrypted using a separate encryption key, including data in the first data group being encrypted with an encryption key for the first data group, said data repository storing said first data group in a first table, said first table including a first portion of data, said data repository storing a derived portion of data in a second table, said derived portion of data derived from said first portion of data by combining said first portion of data with a second portion of data, said second portion of data accessed from a location outside the first data group, said first portion of data encrypted using said encryption key, said derived portion of data also encrypted using said encryption key to prevent unauthorized access to said derived portion of data due to said derived portion of data being derived from said first portion of data; and

    a data curation system for controlling access to private data sets available for purchase in said data marketplace, said data curation system comprising a subscriber database, said subscriber database comprising a subscriber profile for a subscriber and a data owner profile for an owner of said first data group, said subscriber database further comprising a entitlement granting said subscriber access to said encryption key, said encryption key allowing said subscriber to decrypt said first data group and for use in decrypting said derived portion of data.

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