<http://webisa.webdatacommons.org/146249901>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<txu.com> .
<http://webisa.webdatacommons.org/146249901>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/283181313>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/146249901> .
<http://webisa.webdatacommons.org/prov/458468390>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/146249901> .
<http://webisa.webdatacommons.org/146249901>	<http://www.w3.org/ns/prov#value>	"For an energy-efficient window, choose frames made of vinyl, wood, fiberglass and other materials rather than metal for better thermal resistance." .