PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • She asked them to make short videos ??? one or two minutes long ??? about why they donated, or why others should donate, and then to promote the videos on Facebook, Twitter, or other social media platforms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com