About: http://webisa.webdatacommons.org/201106275

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 invention is a system that quickly and accurately provides knock resistance ratings for various blends of non-commercial grade natural gas, including typical field grade natural gas, landfill gas and digester gas.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com