<http://webisa.webdatacommons.org/prov/516199827>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/411309894> .
<http://webisa.webdatacommons.org/prov/131693182>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/411309894> .
<http://webisa.webdatacommons.org/411309894>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/411309894>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<osti.gov> .
<http://webisa.webdatacommons.org/411309894>	<http://www.w3.org/ns/prov#value>	"The dichalcogenide compounds are of the form MX[sub 2] where M is a metal and X is either S, Se or Te." .