Thanks James,
let me also draw attention on another comparison (for microdata et al):
www.w3.org/TR/html-data-guide/
In my view, the choice between RDFa and microdata should be based on what type of
vocabulary the project will use. If the vocabularies are very very simple and we would,
essentially, use a single vocabulary per page (or only a few) than the choice between
microdata and RDFa 1.1 Lite becomes a question of taste in my view, they are comparable in
complexity and expressive power. If the vocabulary becomes more complex, if we want to
refer to and use several external vocabularies within the same page, then I would find
RDFa 1.1 a better choice.
Bottom line: this decision can wait:-)
The problem with microformats is that we would have to define a bunch of vocabularies
ourselves or map them to microformats even if those vocabularies exist already (eg, Dublin
Core). An the mapping 'back' of the same pages into, say, RDF, becomes problematic
again...
My 2 cents
Ivan
On Apr 1, 2012, at 06:40 , James HK wrote:
Hi Denny,
I know everyone is still trying to organize this project but
nevertheless we wanted to have some clarification about how WikiData
will proceed in terms of representation of data embedded in wiki
pages.
Several descriptor frameworks are available [0] and MediaWiki have
seen some discussions about it before [1], [2] but since this project
is about semantic data it would be nice to have directional guidance
about how WikiData will proceed.
[0]
http://manu.sporny.org/2011/uber-comparison-rdfa-md-uf/
[1]
http://www.mediawiki.org/wiki/Parsoid/HTML5_DOM_with_microdata
[2]
http://thread.gmane.org/gmane.science.linguistics.wikipedia.wikitext/512
Cheers,
mwjames
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Ivan Herman, W3C Semantic Web Activity Lead
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