ADDL(ID:5284/add001)for Artefact and Design Description Language Veerkemp, CWI Amsterdam, 1992 Graphical object description language, separates the description into artefact description and creator's intention References: The ADDL system, developed by Veerkemp is one proposal that involves the integration of two kinds of knowledge: 1. Knowledge about objects their attributes and characteristics. 2. Knowledge about the design process a designer s intention. Non geometric information is recorded in the knowledge base for each object |