<http://webisa.webdatacommons.org/101436295>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wisegeek.com> .
<http://webisa.webdatacommons.org/prov/454987692>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/101436295> .
<http://webisa.webdatacommons.org/101436295>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/101436295>	<http://www.w3.org/ns/prov#value>	"These methods evaluate the half-life of radioactive isotopes present in rocks and minerals and other material." .
<http://webisa.webdatacommons.org/prov/49430710>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/101436295> .