BS ISO 12006-3 : 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Language encoding
4 Specification
  4.1 General
  4.2 EXPRESS-G specification
  4.3 EXPRESS specification
      4.3.1 xtdDate
      4.3.2 xtdGlobalUniqueID
      4.3.3 xtdLabel
      4.3.4 xtdText
      4.3.5 xtdVersionID
      4.3.6 xtdToleranceTypeEnum
      4.3.7 xtdValueRoleEnum
      4.3.8 xtdValueTypeEnum
      4.3.9 xtdActivity
      4.3.10 xtdActor
      4.3.11 xtdBag
      4.3.12 xtdCollection
      4.3.13 xtdDescription
      4.3.14 xtdExternalDocument
      4.3.15 xtdLanguage
      4.3.16 xtdLanguageRepresentation
      4.3.17 xtdMeasureWithUnit
      4.3.18 xtdName
      4.3.19 xtdNest
      4.3.20 xtdObject
      4.3.21 xtdProperty
      4.3.22 xtdRelActsUpon
      4.3.23 xtdRelAssignsCollections
      4.3.24 xtdRelAssignsMeasures
      4.3.25 xtdRelAssignsProperties
      4.3.26 xtdRelAssignsPropertyWithValues
      4.3.27 xtdRelAssignsUnits
      4.3.28 xtdRelAssignsValues
      4.3.29 xtdRelAssociates
      4.3.30 xtdRelCollects
      4.3.31 xtdRelComposes
      4.3.32 xtdRelDocuments
      4.3.33 xtdRelGroups
      4.3.34 xtdRelSequences
      4.3.35 xtdRelSpecializes
      4.3.36 xtdRelationship
      4.3.37 xtdRoot
      4.3.38 xtdSubject
      4.3.39 xtdUnit
      4.3.40 xtdValue
  4.4 EXPRESS long form specification
Annex A (informative) Naming conventions
Bibliography

Defines a language-independent information model, which can be used for the development of dictionaries used to store or provide information about construction works. It also enables classification systems, information models, object models and process models to be referenced from within a common framework.