About: http://webisa.webdatacommons.org/445332358

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	A system as described in claim 31, wherein the message is a voice or other a.c. signal transmitted over the telephone wiring.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de