<http://webisa.webdatacommons.org/68564787>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/378450275>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/68564787> .
<http://webisa.webdatacommons.org/68564787>	<http://www.w3.org/ns/prov#value>	" Explain how costs were derived, including sources: All estimates were confirmed" .
<http://webisa.webdatacommons.org/68564787>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .