PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For communication system the combination of low elevation angles, longer transit distances through atmosphere (rain and snow) and poor ground infrastructure is a challenge.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sintef.no