The Emergency Management Technical Committee at OASIS discovered when writing the EDXL Distribution Element (EDXL-DE) v1.0 Specification, different organizations, governmental jurisdictions and Non-Governmental Organizations (NGOs) often have different terms for the same object, piece of equipment, or organizational role or position; such as an "Engine X0", "Engine Unit" OR "Apparatus and we could not settle on any single master vocabulary or terminology. So we developed the "Keyword ValueListURN