PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Through high-precision positioning and heading components we address a wide variety of location-based requirements, including hydrographic surveying, navigation, mapping, marine dredging, machine control, and other applications that require reliable real-time sub-meter 3 dimensional centimeter-level positioning.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hemispheregnss.com