PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Teaching Channel Service provides certain features which enable users to directly and indirectly post content, including text, images, audiovisual and other types of works (such as by creating a profile, posting on message boards, commenting on other users' posts, or by creating public alerts) (User Submissions"), and provides for the hosting, reproduction, distribution, transmission, publi
http://www.w3.org/ns/prov#wasQuotedFrom
  • teachingchannel.org