ISO 12006-3:2022 PDF

Building construction — Organization of information about construction works — Part 3: Framework for object-oriented information

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Title (English):

ISO 12006-3:2022

Building construction — Organization of information about construction works — Part 3: Framework for object-oriented information

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 43
Publication date:: July 15, 2022
Edition:: ISO IS 12006 edition 2 version 1
ICS:: 91.010.01

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Description (English):

This document specifies a language-independent information model which can be used for the development of dictionaries used to store or provide information about construction works. The model is extended by instantiating content, such as further objects and their relationships, allowing the content to serve as an ontology, taxonomy, meronomy, lexicon and thesaurus. NOTE 1 Lexicons are resources for comprising lexical entries for a given language NOTE 2 Meronomies are type of hierarchies which deals with part-whole relationships NOTE 3 Ontologies are formal, explicit specification of a shared conceptualizationIt enables classification systems, information models, object models, data templates and process models to be cross-referenced from within a common framework. This document provides the description of an API allowing the interconnection of data dictionaries as described in ISO 23386.

Technical details

Technical committee: ISO/TC 59/SC 13 - Organization and digitization of information about buildings and civil engineering works, including building information modelling (BIM)
SKU: ISO 12006-3:2022

Abstract

Overview

ISO 12006-3:2022 - Building construction - Organization of information about construction works - Part 3 - defines a language‑independent, object‑oriented information model for building and construction data dictionaries. The standard provides a framework to create extensible dictionaries that can act as ontologies, taxonomies, meronomies, lexicons and thesauri, enabling consistent classification and cross‑referencing of construction information across systems and standards.

Key Topics

Information model and taxonomy framework: a flexible, object‑oriented model to define concepts (subjects), properties, relationships and units that describe construction works.
Language independence and multilingual support: supports lexicons and multi‑language text to enable international use.
Unique identifiers and governance: every entity uses a universal unique identifier (UUID); the model supports change requests and expert review to manage dictionary evolution.
Interoperability and cross‑referencing: enables linking classification systems, information models, object models, data templates and process models within one common framework.
Technical specifications included:
- EXPRESS‑G and EXPRESS data specifications (detailed schema constructs)
- Annexed UML and XML/XSD representations to support implementations
- An API specification (Annex B) for interconnection and programmatic access between dictionaries
Extensible content types: the published schema lists object types and data elements (e.g., concepts, properties, units, languages, relationships) to support rich semantic definitions.

Applications and Who Uses It

ISO 12006-3:2022 is intended for organizations that need standardized, machine‑readable building information vocabularies and dictionaries:

BIM implementers and software vendors: to build or consume standardized dictionaries that improve model interoperability.
Specification authors and classifiers: to create taxonomies and product classification systems that link to model data.
Facility managers and owners: to unify asset data dictionaries and enable consistent data exchange across lifecycles.
Standards developers and integrators: to map between classification schemes and product models. Practical uses include: creating shared data dictionaries, enabling semantic search across BIM repositories, mapping between national classification systems and industry models, and integrating multiple data dictionaries via the described API.

Related Standards

ISO 12006-2 - Classification systems for construction
ISO 23386 / ISO 23387 - Concepts for data dictionary governance and properties
Product and data modelling standards: ISO 10303-41, ISO 10303-221, ISO 15926-2, ISO 16739-1
Units and quantities: ISO 80000 (referenced normative) These related standards are commonly used together with ISO 12006-3 to achieve robust, interoperable construction information ecosystems.

Keywords: ISO 12006-3:2022, information model, data dictionary, BIM, ontology, taxonomy, API, EXPRESS, XML, UML, construction works.

Related standards

Standards mentioned in the description

Abstract

Overview

Key Topics

Information model and taxonomy framework: a flexible, object‑oriented model to define concepts (subjects), properties, relationships and units that describe construction works.
Language independence and multilingual support: supports lexicons and multi‑language text to enable international use.
Unique identifiers and governance: every entity uses a universal unique identifier (UUID); the model supports change requests and expert review to manage dictionary evolution.
Interoperability and cross‑referencing: enables linking classification systems, information models, object models, data templates and process models within one common framework.
Technical specifications included:
- EXPRESS‑G and EXPRESS data specifications (detailed schema constructs)
- Annexed UML and XML/XSD representations to support implementations
- An API specification (Annex B) for interconnection and programmatic access between dictionaries
Extensible content types: the published schema lists object types and data elements (e.g., concepts, properties, units, languages, relationships) to support rich semantic definitions.

Applications and Who Uses It

ISO 12006-3:2022 is intended for organizations that need standardized, machine‑readable building information vocabularies and dictionaries:

BIM implementers and software vendors: to build or consume standardized dictionaries that improve model interoperability.
Specification authors and classifiers: to create taxonomies and product classification systems that link to model data.
Facility managers and owners: to unify asset data dictionaries and enable consistent data exchange across lifecycles.
Standards developers and integrators: to map between classification schemes and product models. Practical uses include: creating shared data dictionaries, enabling semantic search across BIM repositories, mapping between national classification systems and industry models, and integrating multiple data dictionaries via the described API.

Related Standards

ISO 12006-2 - Classification systems for construction
ISO 23386 / ISO 23387 - Concepts for data dictionary governance and properties
Product and data modelling standards: ISO 10303-41, ISO 10303-221, ISO 15926-2, ISO 16739-1
Units and quantities: ISO 80000 (referenced normative) These related standards are commonly used together with ISO 12006-3 to achieve robust, interoperable construction information ecosystems.

Keywords: ISO 12006-3:2022, information model, data dictionary, BIM, ontology, taxonomy, API, EXPRESS, XML, UML, construction works.

ISO 12006-3:2022 PDF

Technical details

Abstract

Overview

Key Topics

Applications and Who Uses It

Related Standards

Related standards

Abstract

Overview

Key Topics

Applications and Who Uses It

Related Standards

Related standards

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