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AsTMa! Language Definition

Technical Report, was published by Robert Barta at 2003-04-07

This is a technical report on the AsTMa! Language Defintion.

External Link: more information

Constraining Topic Map™ instances is a necessary component of TM engineering. To make these constraints explicit we propose a Topic Map Constraint Language, AsTMa!. As such, AsTMa! is a part of the AsTMa language family which was designed to facilitate authoring, but also constraining and querying topic maps. This document provides a semi-formal definition of the language. Note that this is still an evolving project and that this document is a current snapshot only.


Robert Barta

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Robert is project leader of Perl XTM Engine (superseeded.. and Perl TM.


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The first priority of H-maps is the simplicity of usage. Hereby issues of technology and science can be dealt effectively – while ensuring consistent compliance with the Topic Maps standards.

Steffen Hüttner
Topic Maps Lab auf der Cebit 2011

Graduate from the Topic Maps Lab