SubjectPredicateObjectGraph
http://standards.iso.org/iso/19116/ed-1/en/
ISO 19116:2004 Positioning Service Model
http://standards.iso.org/iso/19116/ed-1/en/
PS_ComputationalConditions
http://standards.iso.org/iso/19116/ed-1/en/
http://standards.iso.org/iso/19116/ed-1/en/
observationFrequiencesUsed
http://standards.iso.org/iso/19116/ed-1/en/
http://standards.iso.org/iso/19116/ed-1/en/
http://standards.iso.org/iso/19116/ed-1/en/
http://standards.iso.org/iso/19116/ed-1/en/