<http://webisa.webdatacommons.org/257470076>	<http://www.w3.org/ns/prov#value>	"Geogrids are commonly made of polymer materials, such as polyester, polyethylene or polyproylene." .
<http://webisa.webdatacommons.org/257470076>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .
<http://webisa.webdatacommons.org/257470076>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/410193563>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/257470076> .