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INPUT DATA STRUCTURE FOR DATA MINING

  • US 20070220030A1
  • Filed: 02/06/2007
  • Published: 09/20/2007
  • Est. Priority Date: 03/14/2006
  • Status: Active Grant
First Claim
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1. A computer data structure for compressing data comprised in a set of transactions, each transaction having at least one item, the computer data structure comprising:

  • a list of identifiers of different items in the set of transactions,information indicating number of identifiers in the list, andbit field information indicating presence of the different items in the set of transactions, said bit field information being organized in accordance with the list for facilitating evaluation of patterns with respect to the set of transactions.

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