<http://webisa.webdatacommons.org/prov/500722136>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/30321951> .
<http://webisa.webdatacommons.org/30321951>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/30321951>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/30321951>	<http://www.w3.org/ns/prov#value>	"member is a vitreous porous body formed by a sol-gel method." .