PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Each vertical category includes all the semantic data you need to make sure that your audience will be interested in the message they see: key topics, concepts (??? and not only basic keywords), entities such as places, people, things, specific Brand Safety attributes at page-level, and, unique in the market, mood and emotions that can be evoked in readers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • admantx.com