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System and method for progressive and hierarchical caching

  • US 20020199061A1
  • Filed: 06/01/2001
  • Published: 12/26/2002
  • Est. Priority Date: 06/01/2001
  • Status: Active Grant
First Claim
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1. A method of caching information relating to a set of data items, comprising:

  • in a first retrieval operation, retrieving and storing into a memory only a first hierarchical level of information corresponding to at least one of the data items; and

    in a second retrieval operation separate from the first retrieval operation, retrieving and storing into the memory only a second hierarchical level of information corresponding to the at least one of the data items.

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