PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In my opinion is a very well-written article with good examples and this solution was really beneficial for me, because I try writing bigger projects which always need high amount of memory, so optimization is very important.
http://www.w3.org/ns/prov#wasQuotedFrom
  • codeproject.com