<http://webisa.webdatacommons.org/prov/148736308>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/14718776> .
<http://webisa.webdatacommons.org/prov/497342563>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/14718776> .
<http://webisa.webdatacommons.org/14718776>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wisegeek.com> .
<http://webisa.webdatacommons.org/14718776>	<http://www.w3.org/ns/prov#value>	"Examples of naturally occurring porous media include sand, soil, and some types of stone, such as pumice and sandstone." .
<http://webisa.webdatacommons.org/14718776>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/148766463>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/14718776> .