30.20 Sep 15, 2026
ISO/IEC
ISO/IEC JTC 1
International Standard
This document establishes general principles and gives guidelines for an indicator upper level ontology (IULO) for smart cities that enables the representation of indicator definitions and the data used to derive them. It includes:
— concepts (e.g., indicator, population, cardinality); and
— properties that relate concepts (e.g., cardinality_of, parameter_of_var).
PUBLISHED
ISO/IEC 21972:2020
PROJECT
ISO/IEC CD 21972
30.20
CD study/ballot initiated
Sep 15, 2026
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