<http://webisa.webdatacommons.org/prov/346627821>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/223415173> .
<http://webisa.webdatacommons.org/223415173>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/223415173>	<http://www.w3.org/ns/prov#value>	"Selenium is an essential trace mineral found in the soil." .
<http://webisa.webdatacommons.org/223415173>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<about.com> .