PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Programs are provided with their source code free-of-charge, allowing users to freely modify the work, provided the terms of the license (usually attribution and licensing the derived code under the same open-source license) are met.For mainstream applications such as operating systems or productivity suites, open-source alternatives followed their commercial counterparts after the latter's licens
http://www.w3.org/ns/prov#wasQuotedFrom
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