PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (6)A party's excused inability to obtain essential testimony, documents, or other material evidence despite diligent efforts; or
http://www.w3.org/ns/prov#wasQuotedFrom
  • ca.gov