About: http://webisa.webdatacommons.org/138538631

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	The present invention is useful in other kinds of systems, including one-way systems in which transmission may occur by radio, telephone lines or in a ripple system over the power lines.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com