Abstract: A document accessible over a network can be registered. A registered document, and the content contained therein, cannot be transmitted undetected over and off of the network. In one embodiment, the invention includes maintaining a plurality of stored signatures over a registered document. In one embodiment, the plurality of stored signatures are generated by extracting content from the document, normalizing the extracted content, and generating the plurality of signatures using the normalized content.
Type:
Grant
Filed:
June 7, 2004
Date of Patent:
October 7, 2008
Assignee:
Reconnex Corporation
Inventors:
Ratinder Paul Singh Ahuja, Erik de la Iglesia, Rick Lowe, Matthew Howard, William Deninger