PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because each key is a button rather than a long lever, many more keys can be packed within the limited space of the tablet screen, as shown in Figure 3.Figure 3 The ChromaticButtonKeyboard ProgramThe bottom two rows duplicate the keys on the top two rows and are provided to ease the fingering of common chords and melodic sequences.
http://www.w3.org/ns/prov#wasQuotedFrom
  • microsoft.com