About: http://webisa.webdatacommons.org/130505052

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	FIG. 7 is a time chart indicating the variations of cylinder internal pressures, an ignition timing signal, a cylinder identifying signal and a unitary crank angle signal with engine strokes;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com