About: http://webisa.webdatacommons.org/19331192

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	For each pressure measurement made, the subsequent pressure measurement must be at least 2 psi (or such other factor as is determined upon in any implementation of the present invention) below the preceding measurement.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com