PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • JD: For one example, polyurethane spray foam insulation (SPF) is widely touted as green because its superior insulating capabilities can make a home or other building dramatically more energy efficient.
http://www.w3.org/ns/prov#wasQuotedFrom
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