PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is ordinarily followed by the Alleluia or Tract, but in Masses that have more readings than normal, such as during Lent, these may be separated by another reading, or, if there are more than three readings, there is more than one Gradual, and finally the Tract, to separate each reading.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org