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MULTI-TIERED FLEET MANAGEMENT CACHE

  • US 20080228533A1
  • Filed: 02/08/2008
  • Published: 09/18/2008
  • Est. Priority Date: 03/01/2007
  • Status: Active Grant
First Claim
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1. An apparatus for providing reservation status relating to a group of objects, comprising:

  • a database constructed and arranged to contain (i) availability data describing operational status of at least one of the group of objects, and (ii) reservation data describing allocation of at least one of the group of objects, wherein the availability data and the reservation data are stored in sparse form;

    a windowing module for extracting, from the database, availability data and reservation data corresponding to a predetermined period of time, and combining the extracted availability data and reservation data to form windowed data in a dense format;

    a bit-vector module for receiving the windowed data and for providing the windowed data in a bit-vector view;

    a copying module for sampling the windowed data in the bit-vector view to produce sampled data, wherein the sampled data provides the reservation status as a static view of the windowed data in the bit-vector view.

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