PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Knowing what keywords rank the best for your product is something that you really must know, so keyword tools are things that you need to manage in order to get some better results.
http://www.w3.org/ns/prov#wasQuotedFrom
  • keywordsoftwaretool.com