<http://webisa.webdatacommons.org/prov/215917313>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/221272038> .
<http://webisa.webdatacommons.org/221272038>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/380316280>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/221272038> .
<http://webisa.webdatacommons.org/221272038>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/221272038>	<http://www.w3.org/ns/prov#value>	"as a function of time, t is a time value, PMD is a pressure at a" .