About: http://webisa.webdatacommons.org/87988503

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. 2 is a graph for describing the relationship between the valve opening of the pressure control valve 4 and the pressure in the vacuum chamber 1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es