<http://webisa.webdatacommons.org/10719937>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/337997341>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/10719937> .
<http://webisa.webdatacommons.org/10719937>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/10719937>	<http://www.w3.org/ns/prov#value>	"Various fluids may be circulated during a cementing operation, including mud, water and the cement itself." .