<http://webisa.webdatacommons.org/263452876>	<http://www.w3.org/ns/prov#value>	"cost of each of these systems, including installation, is approximately" .
<http://webisa.webdatacommons.org/263452876>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<yahoo.com> .
<http://webisa.webdatacommons.org/prov/408368315>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/263452876> .
<http://webisa.webdatacommons.org/263452876>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .