PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Also, make sure the surface you are playing the theremin on (which should be a wooden, plastic, or glass table or desk) is empty except for the items you are using in testing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencebuddies.org