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The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
The 5 minute guide to RDFa...in only 6 minutes 40 seconds
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The 5 minute guide to RDFa...in only 6 minutes 40 seconds

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A brief introduction to RDFa, by its designer, Mark Birbeck. The presentation was given in Pecha Kucha format at XML 2007.

A brief introduction to RDFa, by its designer, Mark Birbeck. The presentation was given in Pecha Kucha format at XML 2007.

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  • Putting clearer metadata into web-pages would help the search engines, as well as improve the user experience.
  • Transcript

    • 1. an introduction to rdfa by mark birbeck
    • 2. rdfa originates in work done on xhtml 2, but can be used in mark-up today
    • 3. we need to unlock the metadata already in web-pages, as well as encourage people to add more
    • 4. rdfa provides a generic way to do this by building on features already in html
    • 5.
      • <meta name=&quot; author &quot;content=&quot; Mark Birbeck &quot; /> <link rel=&quot; license &quot; href=&quot; http://creativecommons.org/licenses/by/2.0/ &quot; />
    • 6.
      • <img src=&quot; http://farm1.static.flickr.com/...jpg &quot; />
      • Zakim Bridge by Paul Keleher
      • <a rel=&quot;license&quot; href=&quot;http://creativecommons.org/licenses/by/2.0/&quot;> ... </a>
    • 7.
      • <img src=&quot; http://farm1.static.flickr.com/...jpg &quot; />
      • Zakim Bridge by Paul Keleher
      • <a about =&quot; http://farm1.static.flickr.com/...jpg &quot; rel=&quot;license&quot; href=&quot;http://creativecommons.org/licenses/by/2.0/&quot;> ... </a>
    • 8.
      • Boston Harbor by Paul Keleher
      • <span about=&quot;http://farm1.static.flickr.com/...jpg&quot; > A picture of <span property=&quot;title&quot; > Boston Harbor </span> </span>
      • <span about=&quot;http://farm1.static.flickr.com/...jpg&quot; > A picture of <span property=&quot;title&quot; > Boston Harbor </span> taken by <span property=&quot;creator&quot; > Paul </span>. </span>
    • 9.
      • <span about=&quot;http://farm1.static.flickr.com/...jpg&quot; > A picture of <span property=&quot;title&quot; > Boston Harbor </span> taken by <span property=&quot;creator&quot; content=&quot;Paul Keleher&quot; > Paul </span>. </span>
      • Boston Harbor by Paul Keleher
    • 10.
      • Christmas Lights by Paul Keleher
      • <span about=&quot;http://farm1.static.flickr.com/...jpg&quot; > A picture of <span property=&quot;title&quot; > Christmas Lights </span> taken on <span property=&quot;created&quot; > December 1st </span>. </span>
      • <span about=&quot;http://farm1.static.flickr.com/...jpg&quot; > A picture of <span property=&quot;title&quot; > Christmas Lights </span> taken on <span property=&quot;created&quot; content=&quot;2007-12-01&quot; > December 1st </span>. </span>
    • 11.
      • Christmas Lights by Paul Keleher
      • <span about=&quot;http://farm1.static.flickr.com/...jpg&quot; > A picture of <span property=&quot;title&quot; > Christmas Lights </span> taken on <span property=&quot;created&quot; content=&quot;2007-12-01&quot; datatype=&quot;xs:date&quot; > December 1st </span>. </span>
    • 12.
      • Spiral Staircase by Paul Keleher
      • <span about=&quot;http://farm1.static.flickr.com/...jpg&quot; > <span property=&quot;title&quot; > Spiral Staircases </span> taken by <span property=&quot;creator&quot; > Paul Keleher </span>. <span property=&quot;geo:lat&quot; content=&quot;42.359188&quot; / > <span property=&quot;geo:long&quot; content=&quot;-71.058291&quot; /> </span>
    • 13.
      • Spiral Staircase by Paul Keleher
      • <span about=&quot;http://farm1.static.flickr.com/...jpg&quot; > <span property=&quot; geo:lat &quot; content=&quot; 42.359188 &quot; / > <span property=&quot; geo:long &quot; content=&quot; -71.058291 &quot; /> </span>
    • 14.
      • <span about=&quot;http://www.w3.org/People/Ivan/#me&quot; > <span property=&quot;foaf:name&quot; > Ivan Herman </span> knows Mark Birbeck and they are meeting today. </span>
    • 15.
      • <span about=&quot;http://www.w3.org/People/Ivan/#me&quot; instanceof=&quot;foaf:Person&quot; > <span property=&quot;foaf:name&quot; > Ivan Herman </span> knows Mark Birbeck and they are meeting today. </span>
    • 16.
      • <div about=&quot;urn:ISBN:0091808189&quot; instanceof=&quot;bib:book&quot; > A book. </div> <div about=&quot;urn:ISBN:1596913614&quot; instanceof=&quot;bib:book&quot; > A book. </div>
    • 17.
      • <span about=&quot;http://www.w3.org/People/Ivan/#me&quot; > <span property=&quot;foaf:name&quot; > Ivan Herman </span> knows <span rel=&quot;foaf:knows&quot; resource=&quot;http://inter...blo.com/profile.html#&quot; > Mark Birbeck </span> and they are meeting today. </span>
    • 18.
      • <div rel=&quot;foaf:holdsAccount&quot; > <span instanceof=&quot;foaf:OnlineAccount&quot; > <span rel=&quot;foaf:accountServiceHomepage&quot; resource=&quot;http://www.twitter.com/&quot; > Twitter Name: </span> <span property=&quot;foaf:accountName&quot; > markbirbeck </span> </span> </div>
    • 19. summary
      • about: determines what we're talking about
      • property and content: set text values
      • datatype: sets the type of a text value
      • instanceof : sets the type of something
      • resource: same as href , but not clickable
      • rel and rev: had before, but now work with src
    • 20. rdfa is basically microformat’s big brother daniel e. renfer rdfa is microformats done right bob ducharme
    • 21. more information
      • rdfa.info: http://rdfa.info
      • my blog: http://internet-apps.blogspot.com
      • software: http://www.swcube.com
      • in detail: http://www.swcube.com/rdfa

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