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Data storage and retrieval system with intensional category representations to provide dynamic categorization of information items

  • US 20060161529A1
  • Filed: 01/20/2005
  • Published: 07/20/2006
  • Est. Priority Date: 01/20/2005
  • Status: Active Grant
First Claim
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1. A data storage and retrieval system, comprising:

  • a plurality of information items, each of said information items including at least one property;

    a plurality of intensional category definitions operable to provide dynamic categorization of said plurality of information items, wherein each of said intensional information item categories definitions includes a predicate, wherein said predicate is operable to identify an input one of said information items as a member of the category based on said at least one property in said input one of said information items, wherein said category definitions include no information item identifications;

    an information item and category interface operable to receive a new information item and dynamically add said information item to said plurality of information items, receive a new intensional category definition and dynamically add said new intensional category definition to said plurality of intensional category definitions, and receive a modification to an existing one of said plurality of information items and dynamically modify said one of said plurality of information items;

    an information item retrieval interface operable to receive at least one input query, wherein said input query indicates a subset of said plurality of information items by identification of at least one of said intensional category definitions; and

    at least one pre-computed category membership data structure to support efficient processing of said at least one query.

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