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Re: Parsing Microdata into RDF Graphs: URI Comparison

From: Ivan Herman <ivan@w3.org>
Date: Sat, 29 Oct 2011 18:05:01 +0200
Cc: W3C Semantic Web IG <semantic-web@w3.org>, HTML Data Task Force WG <public-html-data-tf@w3.org>, W3C LOD Mailing List <public-lod@w3.org>
Message-Id: <511C7BC1-7FB4-4173-ADB9-CA591A5B97ED@w3.org>
To: Martin Hepp <martin.hepp@ebusiness-unibw.org>

I must admit I did not follow all the intricacies of the relative URI->full URI conversion, I usually rely on library functions (I know, I am lazy). But if what you say below is true, isn't that a bug in the microdata spec?


On Oct 29, 2011, at 11:26 , Martin Hepp wrote:

> Dear all:
> We had a longer discussion on URI comparison in RDF settings earlier this year. Note that when it comes to writing Microdata parsers, which will be a common thing for LOD architectures, there is a new spec to observe:
>   http://www.whatwg.org/specs/web-apps/current-work/multipage/urls.html#resolve-a-url
> AFAIK, itemtype URIs are never resolved this way, but itemprop and href URIs will.
> This may result to different behaviors of queries in RDF settings if the same markup is used in Microdata vs. RDFa.
> Best
> Martin Hepp
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Ivan Herman, W3C Semantic Web Activity Lead
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Received on Saturday, 29 October 2011 16:03:06 UTC

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