PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If you want to build portfolios by different purposes, it can be divided into three categories: learning portfolio, assessment portfolio, and employment portfolio, but, in fact, the teacher???s portfolios are two or three kinds of combination.
http://www.w3.org/ns/prov#wasQuotedFrom
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