About: http://webisa.webdatacommons.org/326950238

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 system of claim 1 wherein the sensing device is a gas sensor adapted to detect the presence of gas in the measurement zone.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com