Apache AXIS
Develop and test Web service applications using Apache AXIS and Stylus Studio.
OASIS Catalogs for Fun and Profit
This tutorial about, Understanding Catalogs, A Use-Case for Catalogs, Registering Catalogs in a Project, Using the DOCTYPE Syntax Sense:X Aid, Navigating Catalogs, Building Composite Catalogs, Converting TR9401 Catalogs to OASIS XML Catalogs and more
Building Web Services With Stylus Studio
This video demonstration shows you how to use Stylus Studio's Web Service call composer to locate a WSDL file on the Internet, inspect, create SOAP envelope, invoke and inspect Web service data.
DTD Validator
This page talks about Stylus Studio's DTD Validator it has the ability to specify any third-party XML parsers and validators, real-time syntax checking and DTD validation error reporting, backmapping, integrating third-party DTD validators and more!