PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Supporters of E-learning claim that this criticism is largely unfounded, as human interactions can readily be encouraged through audio or video-based web-conferencing programs, threaded discussion boards, live chat, blogs, wikis, email, or other synchronous or asynchronous means.
http://www.w3.org/ns/prov#wasQuotedFrom
  • englishgratis.com