<http://webisa.webdatacommons.org/prov/54759631>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/51934352> .
<http://webisa.webdatacommons.org/51934352>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/51934352>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/51934352>	<http://www.w3.org/ns/prov#value>	"Therefore, the T.sub.??0 period is a period in which ??1 is calculated." .