PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???(iii) Substantive analysis, liaison, or advisory activity focusing on engineering, physical sciences, computer science, mathematics, biology, chemistry, medicine, or other closely related scientific and technical fields.
http://www.w3.org/ns/prov#wasQuotedFrom
  • govtrack.us