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<http://webisa.webdatacommons.org/1660293>	<http://www.w3.org/ns/prov#value>	"system including a user interface for associating documents into groupsUS7434058 *7 Jun 20047 Oct 2008Reconnex CorporationGenerating signatures over a documentUS7437561 *11 Ene 200114 Oct 2008Thomson Licensing S.A.Authentication of data transmitted in a digital transmission systemUS747842215 Jun 200413 Ene 2009Securify, Inc.Declarative language for specifying a security policyUS748408816 Mar 20012" .
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