SubjectPredicateObjectGraph
http://standards.iso.org/iso/19129/ed-1/en/
ISO 19129:2009 IGCD Framework
http://standards.iso.org/iso/19129/ed-1/en/
http://standards.iso.org/iso/19129/ed-1/en/
http://standards.iso.org/iso/19129/ed-1/en/
http://standards.iso.org/iso/19129/ed-1/en/
http://standards.iso.org/iso/19129/ed-1/en/
http://standards.iso.org/iso/19129/ed-1/en/
http://standards.iso.org/iso/19129/ed-1/en/
http://standards.iso.org/iso/19129/ed-1/en/
http://standards.iso.org/iso/19129/ed-1/en/