PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Languages/ProjectionsOperas are usually sung in the language in which they were composed, which means that opera singers must be able to sing in Italian, German, French, Czech, English and other languages.
http://www.w3.org/ns/prov#wasQuotedFrom
  • laopera.org