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Overview of content related to 'microformats'

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This page provides an overview of 1 article related to 'hcard'. 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.

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hCard is a microformat for publishing the contact details (which might be no more than the name) of people, companies, organizations, and places, in (X)HTML, Atom, RSS, or arbitrary XML. The hCard microformat does this using a 1:1 representation of vCard (RFC 2426) properties and values, identified using HTML classes and rel attributes. It allows parsing tools (for example other websites, or Firefox's Operator extension) to extract the details, and display them, using some other websites or mapping tools, index or search them, or to load them into an address-book program. In May 2009, Google announced that they would be parsing the hCard, hReview and hProduct microformats, and using them to populate search-result pages. In September 2010 Google announced their intention to surface hCard, hReview information in their local search results. In February 2011, Facebook began using hCard to mark up event venues. (Excerpt from Wikipedia article: hCard)

Key statistics

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

  • Number of articles referring to 'hcard': 2 (0.1% of published articles)
  • Total references to 'hcard' across all Ariadne articles: 2
  • Average number of references to 'hcard' per Ariadne article: 1.00
  • Earliest Ariadne article referring to 'hcard': 2007-04
  • Trending factor of 'hcard': 0 (see FAQs on monitoring of trends)

See our 'hcard' 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 'hcard' usage charts. Usage chart icon

Top authors

Ariadne contributors most frequently referring to 'hcard':

  1. andy powell (see articles on this topic by this author)
  2. david recordon (see articles on this topic by this author)
  3. shirley keane (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.

Title Article summary Date

OpenID: Decentralised Single Sign-on for the Web

Andy Powell and David Recordon take a brief look at OpenID and ask what relevance it has to e-learning.

April 2007, issue51, feature article

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by Dr. Radut