PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Therefore, while impressions are a widely acceptable metric to compare activity and performance, aggregating and comparing social impressions is like comparing Fuji apples to Honeycrisp; both apples, they just taste different.
http://www.w3.org/ns/prov#wasQuotedFrom
  • searchenginewatch.com