AISC EDI Technical Workshop,
17-19th Feb 1999, California

Session 1.3:

An Introduction to EXPRESS

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Table of Contents

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AISC EDI Technical Workshop, 17-19th Feb 1999, California

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What is CIS/2?

What is CIS/2?

Data

CIS Data Exchange

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Origins

Origin of STEP

Aim of STEP

Evolution of STEP

The STEP Architecture

Three Schema Architecture

Forms of Implementation

PM-Based Communication

STEP Technologies

The use of STEP in CIS/2

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Origin in STEP

EXPRESS: Its origin in STEP

ISO 10303-11: 1994

The Role of EXPRESS

Use of EXPRESS in LPM/5

LPM/5: EXPRESS Short Form

LPM/5 EXPRESS Long Form

The Main Features of EXPRESS

EXPRESS Data Types

1. Simple Data Types

2a. ENTITY Data Types

2b. DEFINED Data Types

3. Aggregation Data Types

4a. Enumeration Data Type

4b. Select Data Type

Domain Rules

Supertypes & Subtypes

INVERSE attributes

INVERSE attributes (Example)

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Email: a.crowley@steel-sci.com

Home Page: http://www.cis2.org/

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