<http://webisa.webdatacommons.org/prov/131228721>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/62197062> .
<http://webisa.webdatacommons.org/62197062>	<http://www.w3.org/ns/prov#value>	"Armstrong's notation) f(s) where s is a state and f(s) is the" .
<http://webisa.webdatacommons.org/62197062>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sl4.org> .
<http://webisa.webdatacommons.org/62197062>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .