PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Briefly, one preferred embodiment of the present invention is a system for mitigating the potential hazard caused by intrusion of an object into a track zone at a train station platform.
http://www.w3.org/ns/prov#wasQuotedFrom
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