About: http://webisa.webdatacommons.org/239891105

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	At least one of the message types comprises two messages, in a preferred embodiment of the invention one message being from the first party and the other message from being the second party.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com