Method, system, and computer program product for comparing...

Details Method, system, and computer program product for comparing... Method, system, and computer program product for comparing...

2011-01-25

2011-01-25

Harper, Eliyah S (Department: 2166)

Data processing: database and file management or data structures

Database and file access

Record, file, and data search and comparisons

C707S797000, C707S811000

Reexamination Certificate

active

07877399

ABSTRACT:
A method and system for comparing two documents, such as XML (Extensible Markup Language) files, where each document is capable of being parsed into a DOM (Document Object Model) trees. Each tree structure is converted into an array of leaf paths containing nodes. These arrays are then compared to identify corresponding matched nodes—either exactly matched nodes or schema matched nodes. In reporting the results of the comparison, unmatched nodes of the source document are reported as “deleted nodes”, that is, existing in the source but not in the target. Similarly all unmatched nodes of the target document are reported as “added nodes”, that is, existing in the target but not in the source. In addition, schema matched nodes are reported as “modified nodes” between source and target documents.

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