Patent Document ID: 9189482
Application ID: 13672064

Base Claim:
1. A method for comparing documents, the method comprising: associating, by a processor, a respective weight with each of a plurality of information types including text-based information, graphical information, audio information, or video information; identifying for each of the documents, by the processor, one or more segments each corresponding to one of the plurality of information types; and estimating, by the processor, a similarity value between a first document of the documents and a second document of the documents by comparing each segment of the first document with a segment of the second document that corresponds to a same information type and combining results of the comparison based on the respective associated weights.

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Claim 3:
3. The method of claim 1 , wherein the method further comprises: performing optical character recognition (OCR) on the one or more segments that include text in the form of graphical information.