PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Web 2.0 technologies, including social networks and participatory sites such as YouTube, MySpace, Second Life, and World of Warcraft, provide them with engaging opportunities for interaction and informal learning, and create new opportunities to leverage this informal learning by integrating it purposefully into the fabric of formal learning.
http://www.w3.org/ns/prov#wasQuotedFrom
  • apple.com