Overview
ISO/IEC 5394:2024 - Information technology - Criteria for concept systems defines criteria and requirements for creating and managing effective concept systems. The standard addresses components (concepts, relations, terms, definitions), principles for formation, representations, structural levels and lifecycle management. Concept systems are central to describing data semantics in the ISO/IEC 11179 family and underpin controlled vocabularies, classification schemes and ontologies used for semantic interoperability, metadata management and knowledge organization.
Key topics and technical requirements
- Components of a concept system
- Concepts, concept relations, terms and definitions: required elements and their roles in a concept system.
- Principles for forming concept systems
- Emphasis on human and computer readability, clarity, comprehensiveness, extensibility, stability, retrievability and standardization.
- Representations and structural levels
- Guidance on how concept systems can be represented (terminological, taxonomic, ontological forms) and organized across multiple structural layers.
- Management and governance
- Requirements for development, maintenance, integration and versioning of concept systems to ensure consistent semantics and controlled vocabularies.
- Interoperability with vocabularies and metadata standards
- Describes relations between concept systems and vocabularies and how they support ISO/IEC 11179 data semantics.
- Informative guidance
- Annexes provide examples of representation formats and relationships to ISO/IEC 11179 and related JTC 1/SC 32 standards.
Practical applications
- Enable semantic interoperability across systems by providing well-structured concept models that clarify meaning of data elements.
- Support metadata management, data modeling and data cataloguing by supplying standardized concept sets for data element definition and classification.
- Foundation for controlled vocabularies, thesauri and ontologies used in search, indexing, information retrieval, and AI/knowledge graphs.
- Useful for data integration projects, terminology curation, domain modeling and regulatory compliance where consistent semantics are required.
Who should use this standard
- Data architects, metadata managers and information modelers
- Terminology specialists, ontologists and knowledge engineers
- Library and information professionals, standards developers
- Software architects building semantic web, AI, or data integration solutions
Related standards
- ISO/IEC 11179 (metadata registries - semantics of data elements)
- ISO 704 (terminology work - principles and methods)
- ISO 1087 (terminology - basic concepts)
- Other JTC 1/SC 32 standards on data management and interchange
Keywords: ISO/IEC 5394:2024, concept system, semantic interoperability, controlled vocabulary, ISO/IEC 11179, metadata management, ontology, terminology, data semantics.