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Shared data sets combined with user-specific purchased data sets

  • US 9,141,983 B2
  • Filed: 01/23/2013
  • Issued: 09/22/2015
  • Est. Priority Date: 02/01/2011
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • identifying a user;

    associating the user with data in a shared database, the shared database being shared by multiple users having access to different subsets of the data in the shared database;

    receiving a purchased dataset from the identified user, wherein the purchased dataset comprises multiple child data sets related to a particular fields of the shared database;

    determining relationships between records of the purchased dataset and records of the shared database;

    determining relationships between fields of the purchased dataset and fields of the shared database;

    adding the purchased dataset to a delta tune associated with the slanted database based on the determined record relationships and field relationships;

    storing the delta table for the identified user;

    adding references to the shared, database to provide access to the delta table;

    providing access to the purchased dataset stored in the delta table to the user through requests for data in the shared database;

    receiving a second purchased data set from the identified user;

    adding the second purchased dataset to the delta table; and

    simultaneously providing access to the first and second purchased datasets through request for data in the shared database.

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