Patent ID: 7216118
Filing Date: 2007-05-08
Classification: G06F,Y10S

Abstract:
1. A method for searching for a desired element found in a first document and in a second document using a predetermined set of stable elements selected from among a set of elements including stable elements and unstable elements, the method comprising: (a) building a first sequence of stable elements from the first document, wherein the first sequence of stable elements represents an ordered list of elements where each element is from the predetermined set of stable elements, wherein the stable elements are derived from the set of elements that include the stable elements and the unstable elements; (b) building a second sequence of stable elements from the second document, wherein the second sequence of stable elements represents an ordered list of elements where each element is from the predetermined set of stable elements; (c) generating one or more search queries from the first sequence of stable elements; (d) searching the second document by comparing the second sequence of elements with the one or more search queries to produce one or more comparison results; and (e) determining the desired element in the second document from the one or more comparison results.