Person, organisation or organisational unit (e.g. a department, team, etc.) involved in a construction process.

ISO 29481-1:2016

Business Process Model and Notation [BPMN]

The Business Process Model and Notation (BPMN)  is a graphical representation for specifying business processes in a business process model.


buildingSMART Data Dictionary [bSDD]

The buildingSMART Data Dictionary (bSDD) is an online service with objects/classifications and their properties and translations. It is used to identify objects in the built environment and their specific properties regardless of natural language. 

buildingSMART International

Exchange Requirements


Defined set of information units that needs to be exchanged to support a particular business requirement at a particular process phase (or phases)/stage (or stages)

ISO 29481-1:2016

Information Delivery Manual


Documentation which captures the business process and gives detailed specifications of the information that a user fulfilling a particular role would need to provide at a particular point within a project.

  • Note 1 to entry:This can be referred to as an information delivery specification (IDS).

ISO 29481-1:2016

Industry Foundation Classes [IFC]

Open international data schema standard for BIM-based data exchange developed by buildingSMART and published by ISO (and CEN).

ISO 16739-1:2018

IDM components

Basic elements that form an IDM: interaction maps/transaction maps, process maps and exchange requirements.

ISO 29481-1:2016

Interaction map

Representation of the roles and transactions relevant for a defined purpose.

ISO 29481-1:2016

Interaction Framework

Formal description of the elements of interaction, including definition of roles, transactions, messages in transaction, and data elements in messages.

ISO 29481-1:2016

Level of Information Need

Framework which defines the extent and granularity of information.

ISO 19650-1:2018

Model View Definition [MVD]

Computer-interpretable definition of an exchange requirement, specifically bound to one or more particular standard information schemas

  • Note 1 to entry: A model view definition (MVD) is also referred to as a view definition, a subset (of a schema) and a conformance class (CC) especially in ISO10303.

ISO 29481-1:2016

Process Map [PM]

Representation of the relevant characteristics of a process associated with a defined business purpose

ISO 29481-1:2016

Project Management Office [PMO]

The PMO for the Use Case Management is managed by the buildingSMART Switzerland office.


Functions being performed by an actor at a point in time.

ISO 29481-1:2016


Communication event that fulfils a relationship between two roles.

ISO 29481-1:2016

Transaction map

Representation of a set of messages that are exchanged between participating roles for a particular purpose

ISO 29481-1:2016