ISO 10303-11 2nd Edition, November 1, 2004
Industrial Automation Systems and Integration - Product Data Representation and Exchange - Part 11: Description Methods: the EXPRESS Language Reference Manual
Additional Comments: ENGLISH
Published By:International Organization for Standardization (ISO)
This part of ISO 10303 specifies a language by which aspects of product data can be defined. The language is called EXPRESS.
This part of ISO 10303 also specifies a graphical representation for a subset of the constructs in the EXPRESS language. This graphical representation is called EXPRESS-G.
EXPRESS is a data specification language as defined in ISO 10303-1. It consists of language elements that allow an unambiguous data definition and specification of constraints on the data defined.
The following are within the scope of this part of ISO 10303:
— data types;
— constraints on instances of the data types.
The following are outside the scope of this part of ISO 10303:
— definition of database formats;
— definition of file formats;
— definition of transfer formats;
— process control;
— information processing;
— exception handling.
EXPRESS is not a programming language.