<http://webisa.webdatacommons.org/156575657>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/214105746>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/156575657> .
<http://webisa.webdatacommons.org/156575657>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .
<http://webisa.webdatacommons.org/156575657>	<http://www.w3.org/ns/prov#value>	"Heat sources include wood, electricity, gas and other more unconventional methods such as solar power." .