The XTM Guide: A Beginner's Guide to the XTM Syntax

The purpose of this guide to the XTM syntax is to provide a way for web developers to implement topic map based systems.

The XML Topic Maps (XTM) syntax is part of the ISO/IEC 13250 Topic Maps standard.

The syntax is expressed as a Document Type Definition (DTD) . An annotated version of the DTD is also provided together with a documentation. Examples of portions of XTM documents are also provided.

A Guide to the XTM Syntax.

How to read the XTM DTD? , for beginners to XML.

The annotated XTM DTD

The XTM DTD (without comments nor explanations).

Code examples