PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • POLL is a word with several meanings, two of which feature in this clue, and a third as part of the group of solutions which provide one of the puzzle???s themes
http://www.w3.org/ns/prov#wasQuotedFrom
  • fifteensquared.net