PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are also keyword consult tools available such as Wordtracker and Google Adwords that can be used, which not only suggest words for you, but also give you all kinds of data about the popularity and competitiveness of words.
http://www.w3.org/ns/prov#wasQuotedFrom
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