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RDFa and Government Data
 

RDFa and Government Data

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RDFa is a way to embed metadata in ordinary web-pages. It's useful in many situations, and this presentation looks particularly at how RDFa can help governments pursuing open data policies.

RDFa is a way to embed metadata in ordinary web-pages. It's useful in many situations, and this presentation looks particularly at how RDFa can help governments pursuing open data policies.

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    RDFa and Government Data RDFa and Government Data Presentation Transcript

    • RDFa and government data Mark Birbeck Backplane Ltd. and W3C Invited Expert
    • What is RDFa?
    • Embed data in HTML and XHTML
    • Why embed data? • Removes ambiguity about the content within a page. • Makes publishing data as easy as publishing HTML.
    • Precise information Embedding metadata removes the ambiguity about the content of our pages
    • Title: Chanda’s Secrets by Allan Stratton Stars: ***** I reviewed Stratton's newest teen novel, Leslie's Journal in October. I'd heard about Chanda's Secrets and wanted to give it a try. ...
    • <div xmlns:v="http://rdf.data-vocabulary.org/#" typeof="v:Review" > <span rel="v:itemreviewed"> <span> Title: <span property="v:name">Chanda’s Secrets</span> </span> </span> Stars: <span property="v:rating" content="5">*****</span> <span property="v:summary"> I reviewed Stratton's newest teen novel, Leslie's Journal in October. I'd heard about Chanda's Secrets and wanted to give it a try. ... </span> </div>
    • Number of stars, price range, etc., all picked up from the web-page via RDFa and
    • Publishing HTML was never easier
    • Embed data to make publishing data as easy as publishing HTML
    • Case study: Vacancies and consultations Distributing data in UK government web-sites
    • Static page ASP.NET Who knows?
    • Momentum for governments to make data 'open'
    • Linked Data Joining the linked data cloud
    • <div typeof="v:Review" > <span rel="v:itemreviewed"> <span about="urn:ISBN:1550378341" typeof="bib:book"> Title: <span property="v:name">Chanda’s Secrets</span> </span> </span> Stars: <span property="v:rating" content="5">*****</span> <span property="v:summary"> I reviewed Stratton's newest teen novel, Leslie's Journal in October. I'd heard about Chanda's Secrets and wanted to give it a try. ... </span> </div>
    • Mark Birbeck’s Twitter account name is <span typeof="foaf:OnlineAccount" rel="foaf:accountServiceHomePage" resource="http://twitter.com" property="foaf:accountName" >markbirbeck</span> and Ben Adida’s is <span typeof="foaf:OnlineAccount" rel="foaf:accountServiceHomePage" resource="http://twitter.com" property="foaf:accountName" >benadida</span>
    • The future: Open access to the data Anyone can make up their own data sets
    • RDFa • Removes ambiguity about page data • Makes it easy for anyone to publish data • Powerful enough to enable the publishing of Linked Data • Ideal for publishing government data
    • W3C Standards • RDFa is a standard, building on other standards, such as RDF • With SPARQL, have a solid foundation for publishing government data
    • • http://webBackplane.com/rdfa • http://webBackplane.com/mark-birbeck • http://rdfa.info • http://linkeddata.org