Relax NG, Compared (2 tags)
A feature-by-feature explanation of the RELAX NG XML schema language, with reference to the features provided by the W3C's XML Schema Definition Language.
Using W3C XML Schema (2 tags)
A comprehensive introduction to XML Schema, a W3C XML language for describing and constraining the content of XML documents. Includes quick reference tables.
W3C XML Schema Design Patterns: Avoiding Complexity (2 tags)
Previous attempts to define an effective subset of W3C XML Schema have thrown the baby out with the bathwater, says Dare Obasanjo, who proposes a less conservative set of guidelines for working with W3C XML Schema.