PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Shpunt recalls that when he started developing his system there were a few ways to sense depth???primarily time of flight (determining distance from a sensor by measuring how long it takes light or sound to bounce off an object) and "structured light (projecting patterns of light onto objects and analyzing how the patterns are distorted by the object's surface).
http://www.w3.org/ns/prov#wasQuotedFrom
  • technologyreview.com