<http://webisa.webdatacommons.org/prov/422053072>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/403275858> .
<http://webisa.webdatacommons.org/prov/321354902>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/403275858> .
<http://webisa.webdatacommons.org/403275858>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/403275858>	<http://www.w3.org/ns/prov#value>	"a single, or just a few, parameters such as methane and vacuum may work satisfactorily" .
<http://webisa.webdatacommons.org/403275858>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .