<http://webisa.webdatacommons.org/445220655>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<lanl.gov> .
<http://webisa.webdatacommons.org/prov/457062074>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/445220655> .
<http://webisa.webdatacommons.org/445220655>	<http://www.w3.org/ns/prov#value>	"Astronomers use the term metallicity to refer to elements heavier than hydrogen and helium, such as oxygen, silicon and iron." .
<http://webisa.webdatacommons.org/445220655>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/48327182>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/445220655> .