PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is actually a suite of applications and it operates in a closed, password-protected environment where teachers can moderate online discussions, share course materials, assess student learning, and communicate with students, parents, and other teachers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • what-when-how.com