<http://webisa.webdatacommons.org/prov/449648234>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/175330075> .
<http://webisa.webdatacommons.org/175330075>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/175330075>	<http://www.w3.org/ns/prov#value>	"Silica is a trace mineral." .
<http://webisa.webdatacommons.org/175330075>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<equisearch.com> .