Computers

This document proposes a structural schema facility, Document Content Description (DCD), for specifying rules covering the structure and content of XML documents. [W3C Note 31 July 1998]

An XML schema language. A DSD document is a specification of a class of XML documents together with a default mechanism and documentation. FAQs, downloads, tutorials provided.

A schema language for defining the syntactic structure and partial semantics of XML document types; an alternative to XML DTDs. [W3C Note 30 July 1999]

Describes an XML vocabulary for schemas, that is, for defining and documenting object classes. [W3C Note 05 Jan 1998]