URIs For Commonly Defined Resource Types

CSS

From W3C CSS1: CSS1 is a simple style sheet mechanism that allows authors and readers to attach style (e.g. fonts, colors and spacing) to HTML documents. The CSS1 language is human readable and writable, and expresses style in common desktop publishing terminology.

The URI http://www.isi.edu/in-notes/iana/assignments/media-types/text/css is well-known URI for CSS

DTD

From XML 1.0: The XML document type declaration contains or points to markup declarations that provide a grammar for a class of documents. This grammar is known as a document type definition, or DTD. The document type declaration can point to an external subset (a special kind of external entity) containing markup declarations, or can contain the markup declarations directly in an internal subset, or can do both. The DTD for a document consists of both subsets taken together. [1]

The URI http://www.rddl.org/arcrole.htm#DTD can be used as a well-known URI for DTD

RDF Schema

An RDF Schema is a language which describes vocabularies using the Resource Description Framework.

Well known URI

The RDF Schema namespace URI is http://www.w3.org/2000/01/rdf-schema#.

Root element namespace

The root element of an RDF Schema has the namespace: http://http://www.w3.org/2000/02/22-rdf-syntax#.

RELAX Schema

RELAX: Regular Language Description for XML, is An XML Structure Validation Language using Patterns in Trees

Well known URI

The well known URI for RELAX is http://www.xml.gr.jp/relax.

Root element namespace

http://www.xml.gr.jp/xmlns/relaxCore is the namespace of the root element of a RELAX module.

Schematron Schema

Schematron is An XML Structure Validation Language using Patterns in Trees.

Well known URI

The well known URI for Schematron is http:/www.ascc.net/xml/schematron.

Root namespace URI

http:/www.ascc.net/xml/schematron is the namespace of the root element of a schematron schema.

OASIS Open Catalog

An OASIS Open Catalog Format document mapps Public Identifiers to System Identifiers. The URI http://www.rddl.org/arcrole.htm#SOCAT can be used as a well known URI for an OASIS Open Catalog.

XML Schema

The XML Schema Definition Language is a formal language for which to describe XML grammars.

Well known URI

The well known URI for XSD is: http://www.w3.org/2000/10/XMLSchema

Root namespace URI

http://www.w3.org/2000/10/XMLSchema is also the namespace URI of the root element of an XSD schema.