PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Reflective surfaces are a key element in solar concentrating systems: these in fact should reflect the solar radiation as effectively and accurately as possible.
http://www.w3.org/ns/prov#wasQuotedFrom
  • almecogroup.com