<http://webisa.webdatacommons.org/150394061>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/361154803>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/150394061> .
<http://webisa.webdatacommons.org/150394061>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freakonomics.com> .
<http://webisa.webdatacommons.org/prov/90623869>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/150394061> .
<http://webisa.webdatacommons.org/150394061>	<http://www.w3.org/ns/prov#value>	"Many asteroids are know to br rich in precious metals, such as gold and platinum." .