1. www.sti-innsbruck.at © Copyright 2008 STI INNSBRUCK www.sti-innsbruck.at HTML Data Guide W3C Interest Group Note 08 March 2012 OC Working Group – 09.07.2012 by Alex Oberhauser

2. www.sti-innsbruck.at Motivation 2

3. www.sti-innsbruck.at Syntaxes for data embedding in HTML SyntaxAttributes for data encodingVocabularies (most-used) Microformats@class, @rel (and others)hCard, hCalendar, hReview RDFa@href, @rel, @propertyDifferent RDFS/OWL vocabularies, e.g. DublinCore, Geo, FOAF MicrodataItemid, itemprop, itemref, itemscope, itemtype schema.org, DublinCore 3

4. www.sti-innsbruck.at Microformat – Example (hCard and geo) Joe Doe The Example Company 604-555-1234 http://example.com/ 52.48 -1.89 4

5. www.sti-innsbruck.at RDFa – Example (DublinCore) Wikinomics Don Tapscott 2006-10-01 5

6. www.sti-innsbruck.at Microdata – Example (schema.org) Jane Doe Professor 20341 Whitworth Institute Seattle WA 98052 6

7. www.sti-innsbruck.at What do use? What is recommended? Possible to use all three syntaxes on one page (for one item) For SEO Microdata is recommended For easy extraction to RDF use RDFa Microformat and Microdata can be mapped to the same JSON data model (see http://dev.w3.org/html5/md/Overview.html#json) 7

8. www.sti-innsbruck.at Personal Recommendation Microdata for search engine optimization (relative easy to use) If RDF is needed provide a (REST) API –Justification: RDFa is not easier than plain RDF, but RDF/(XML/N3/N-Triple) is easier parsable. 8

9. www.sti-innsbruck.at Questions? 9