PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The operating system environment necessary to practice the present invention can be based on Windows???, NT???, UNIX???, Apple Operating System???, Solaris??? or open source operating system software such as Linux??? and Apache???.
http://www.w3.org/ns/prov#wasQuotedFrom
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