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Typed relationships between items

  • US 7,761,473 B2
  • Filed: 05/18/2007
  • Issued: 07/20/2010
  • Est. Priority Date: 05/18/2007
  • Status: Active Grant
First Claim
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1. A computer-readable medium that includes a computer readable storage medium having computer-executable instructions stored thereon, which when executed perform actions, comprising:

  • instantiating an item reference, the item reference including a first field, a second field, and a third field, the first field capable of storing an identifier of a first file of a file system, the second field capable of storing an identifier of a second file of the file system, the third field capable of storing one or more properties associated with a type of the item reference, the item reference indicating a relationship between the first file and the second file;

    placing the identifier of the first file in the first field; and

    performing a computerized query that utilizes the relationship to identify the second file, the query having criteria that applies to the second file;

    wherein the item reference is of a type that inherits properties from ancestors of the item reference.

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