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Data processing and difference computation for generating addressing information

  • US 20040088652A1
  • Filed: 07/02/2003
  • Published: 05/06/2004
  • Est. Priority Date: 07/15/2002
  • Status: Active Grant
First Claim
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3. A difference computation method comprising controlling a computer to compute a difference between at least two tree-structured data items, comprising the steps of a first step of reading at least two tree-structured data items to be processed from memory to compare the at least two tree-structured data items, creating an operation sequence, in which each operation for transforming one of the tree-structured data items into the other tree-structured data item is expressed as a combination of predetermined operations on a component of a tree-structure, and storing the list in memory;

  • and a second step of reading the operation sequences from the memory and changing operations in the operation sequence that are interpreted as a movement of a component into an operation of moving the component.

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