PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But more likely using anything other than a tick would (wrongly) ensure the disallowing of the vote. ???Tick only one answer??? would have overcome that sort of ambiguity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thestandard.org.nz