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US Patent 7660819 System for similar document detection

Patent 7660819 was granted and assigned to Alion Science and Technology on February, 2010 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7660819

Patent Inventor Names

Abdur R. Chowdhury2

Ophir Frieder2

Date of Patent

February 9, 2010

Patent Application Number

09629175

Date Filed

July 31, 2000

Patent Citations Received

Patent Primary Examiner

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Uyen T Le

Patent abstract

A document is compared to the documents in a document collection using a hash algorithm and collection statistics to detect if the document is similar to any of the documents in the document collection.

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