<http://webisa.webdatacommons.org/prov/453109140>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/301250244> .
<http://webisa.webdatacommons.org/301250244>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wordpress.com> .
<http://webisa.webdatacommons.org/301250244>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/301250244>	<http://www.w3.org/ns/prov#value>	"Projections, pricing and even tax depreciation are based on the useful life of the building, bridge or other improvement." .