PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Collaborative tools, including chat to discuss process and answer questions on the side of the spreadsheet, help students stay focused on completing the project.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pbs.org