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Graphical syntax analysis of tables through tree rewriting

  • US 20080028291A1
  • Filed: 07/26/2006
  • Published: 01/31/2008
  • Est. Priority Date: 07/26/2006
  • Status: Active Grant
First Claim
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1. a method for determining a table structure, the method comprising:

  • determining a table structure respective to a first two cells of a spatially ordered sequence of rectangular cells, the table structure including elements indicative of the first two cells and at least one element indicative of a structural relationship between the first two cells;

    defining a minimum rectangular bounding box containing the cells of the table structure;

    updating the table structure with additional structure including an element indicative of a next cell of the spatially ordered sequence of rectangular cells and at least one element indicative of a structural relationship between the next cell and the minimum rectangular bounding box; and

    repeating the defining and updating until the cells of the ordered sequence of rectangular cells are exhausted.

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