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Overview of content related to 'dtd'

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This page provides an overview of 7 articles related to 'dtd', listing most recently updated content first. Note that filters may be applied to display a sub-set of articles in this category (see FAQs on filtering for usage tips). Select this link to remove all filters.

 'Inspecting article' image: copyright, used under license from shutterstock.com
Document Type Definition (DTD) is a set of markup declarations that define a document type for SGML-family markup languages (SGML, XML, HTML). DTDs were a precursor to XML schema and have a similar function, although different capabilities. DTDs use a terse formal syntax that declares precisely which elements and references may appear where in the document of the particular type, and what the elements' contents and attributes are. DTDs also declare entities which may be used in the instance document. XML uses a subset of SGML DTD. As of 2009 newer XML Namespace-aware schema languages (such as W3C XML Schema and ISO RELAX NG) have largely superseded DTDs. A namespace-aware version of DTDs is being developed as Part 9 of ISO DSDL. DTDs persist in applications which need special publishing characters such as the XML and HTML Character Entity References, which were derived from the larger sets defined as part of the ISO SGML standard effort. (Excerpt from Wikipedia article: DTD)

Key statistics

Metadata related to 'dtd' (as derived from all content tagged with this term):

  • Number of articles referring to 'dtd': 36 (2.1% of published articles)
  • Total references to 'dtd' across all Ariadne articles: 91
  • Average number of references to 'dtd' per Ariadne article: 2.53
  • Earliest Ariadne article referring to 'dtd': 1996-01
  • Trending factor of 'dtd': 0 (see FAQs on monitoring of trends)

See our 'dtd' overview for more data and comparisons with other tags. For visualisations of metadata related to timelines, bands of recency, top authors, and and overall distribution of authors using this term, see our 'dtd' usage charts. Usage chart icon

Top authors

Ariadne contributors most frequently referring to 'dtd':

  1. jon knight (see articles on this topic by this author)
  2. judith wusteman (see articles on this topic by this author)
  3. paul miller (see articles on this topic by this author)
  4. brian kelly (see articles on this topic by this author)
  5. jeffrey rydberg-cox (see articles on this topic by this author)

Note: Links to all articles by authors listed above set filters to display articles by each author in the overview below. Select this link to remove all filters.

Titlesort icon Article summary Date

Web Watch: WebWatching eLib Project Web Sites

Brian Kelly is WebWatching the eLib Project Sites.

January 2001, issue26, tooled up

Web Watch: An Accessibility Analysis of UK University Entry Points

Brian Kelly reports on the accessibility of entry points of UK University Web sites.

October 2002, issue33, tooled up

Web Focus: WWW 2003 Trip Report

Brian Kelly writes on the recent WWW 2003 conference and outlines some of the latest Web developments.

July 2003, issue36, regular column

Web Focus: Report on the WWW 6 Conference

Brian Kelly describes the sixth International World Wide Web conference which took place in California from 7 – 11 April 1997.

May 1997, issue9, tooled up

Web Focus: Reflections On WWW9

Brian Kelly reports on the WWW9 conference, held in Amsterdam, in May 2000.

June 2000, issue24, tooled up

Web Focus: Let's Get Serious about HTML Standards

Brian Kelly encourages authors to treat compliance with HTML standards seriously.

October 2002, issue33, tooled up

Netskills Corner: Fifth WWW Conference, Paris

Brian Kelly undertakes the arduous task of attending the 5th WWW Conference in Paris (is there a 'smiley' for 'green with envy'?).

May 1996, issue3, tooled up

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