<http://webisa.webdatacommons.org/prov/87647835>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/296631824> .
<http://webisa.webdatacommons.org/296631824>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/85797894>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/296631824> .
<http://webisa.webdatacommons.org/296631824>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<care2.com> .
<http://webisa.webdatacommons.org/296631824>	<http://www.w3.org/ns/prov#value>	"About 9 percent is proppants, stuff such as sand or glass beads that prop open the fissures." .