About: http://webisa.webdatacommons.org/109301980

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	On-site computer system 45 generates a signal proportional to the measured material quantity, and transmits that signal to central computer 12 over telephone, radio, or other communication means 40.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com