PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There has been large response sounds incorrect in the same way There was large money does - and money is a mass noun both in the UK and the US. For the final example, I think its negative version is fine - There hasn't been much response and There hasn't been much of a response both sound natural to me.
http://www.w3.org/ns/prov#wasQuotedFrom
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