W3C Device Description Working Group

The W3C Device Description Working Group (DDWG), operating as part of the World Wide Web Consortium (W3C) Mobile Web Initiative (MWI), was chartered to "foster the provision and access to device descriptions that can be used in support of Web-enabled applications that provide an appropriate user experience on mobile devices." Mobile devices exhibit the greatest diversity of capabilities, and therefore present the greatest challenge to content adaptation technologies. The group published several documents, including a list of requirements for an interface to a Device Description Repository (DDR) and a standard interface meeting those requirements.

The group was rechartered in 2006 to work in public towards the development of the Application Programming Interface (API) for a DDR. Early in 2007, the group launched a wiki and a blog to add to the public mailing list. The group subsequently published a formal vocabulary of core device properties, and an API called the DDR Simple API, which became a W3C Recommendation in December 2008. The group closed at the end of 2008, but with the intention of maintaining the Web pages, blog and wiki through W3C volunteer effort.

Publications

The DDWG published several W3C Working Group Notes and one W3C Recommendation.

A W3C WG Note that articulates what the W3C and other organizations are doing or have already done with regards to device information. This document suggests an environment in which these technologies work together to meet the goals of content adaptation. The completed document was published on 31 October 2007.
A W3C WG Note describing the ecosystem surrounding creation, maintenance and use of device descriptions. The completed document was published on 31 October 2007.
A W3C WG Note describing a set of requirements for a reference repository of device descriptions. The completed document was published on 17 December 2007.
A W3C WG Note describing a process to manage contributions to an initial core vocabulary, identification of key device properties, a formal initial core vocabulary and the identification of a maintainer for the core vocabulary. The details were contained in the Working Group Note describing the DDWG Core Vocabulary published on 14 April 2008.
A W3C WG Note defining useful grouping and structure patterns in device descriptions. The Device Description Structures document was published as a Working Draft on 5 December 2008. The intention is that this document will be future input to other W3C groups.
A W3C Recommendation defining a language-neutral programming interface to a Device Description Repository. The DDR Simple API was published on 5 December 2008.
There is the possibility of future publications on the DDWG wiki describing implementations of the API in various languages, including Java, IDL, WSDL, C# etc.

Much of the DDWG's material was developed in public via the DDWG Wiki and through their public mailing lists.

External links

World Wide Web Consortium (W3C)

Products and
standards

Recommendations	ARIA Canonical XML CDF CSS DOM Geolocation API HTML (HTML5) ITS MathML OWL P3P PLS RDF RDF Schema SISR SKOS SMIL SOAP SRGS SRI SSML SVG SCXML SPARQL Timed text VoiceXML Web storage WSDL XForms XHTML XHTML+RDFa XInclude XLink XML XML Base XML Encryption XML Events XML Information Set XML namespace XML Schema XML Signature XOP XPath XPath 2.0 XPointer XProc XQuery XSL XSL-FO XSLT (elements)

Notes	XAdES XHTML+SMIL XUP

Working drafts	CCXML CURIE EME InkML JSON-LD MSE RIF SMIL Timesheets sXBL WICD XFDL XFrames XBL XMLHttpRequest

Guidelines	Web Content Accessibility Guidelines

Initiative	Multimodal Interaction Activity (MMI) Markup Validation Service Web Accessibility Initiative WebPlatform

Deprecated	C-HTML HDML JSSS PGML VML XHTML+MathML+SVG

Organizations

Advisory Committee (AC) World Wide Web Foundation

Elected groups	Advisory Board (AB) Technical Architecture Group (TAG)

Working groups	CSS HTML Geolocation Social Web SVG Web Hypertext Application Technology (WHATWG) Web Platform

Closed groups	Device Description (DDWG) WebOnt (Semantic Web Activity)

Software

CERN httpd Libwww

Browsers	Line Mode (1990–) Arena (1993–98) Agora (1994–97) Argo (1994–97) Amaya (browser/editor, 1996–2012)

Conferences

International World Wide Web Conference (IW3C)
- Steering Committee (IW3C2)
- First conference ("WWW1", 1994)

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W3C Device Description Working Group

Publications

See also

External links