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*<nowiki>http://www.w3.org/2006/vcard/hcard2rdf.xsl</nowiki> | *<nowiki>http://www.w3.org/2006/vcard/hcard2rdf.xsl</nowiki> | ||
*<nowiki>http://norman.walsh.name/2005/12/12/examples/hcard2rdf.xsl</nowiki> | *<nowiki>http://norman.walsh.name/2005/12/12/examples/hcard2rdf.xsl</nowiki> | ||
==Issues== | |||
* Is GRDDL in HTML 4.01 OK, or is it just for XHTML? | |||
** Surely parsers can convert valid HTML4.01 to XHTML, perhaps using HTML-Tidy, before parsing it? | |||
** See [http://microformats.org/discuss/mail/microformats-discuss/2007-September/010788.html mailing list post, 2007-09-27] | |||
== References == | == References == | ||
Revision as of 08:13, 2 October 2007
GRDDL
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Introduction
GRDDL (pronounced "griddle") is a mechanism for Gleaning Resource Descriptions from Dialects of Languages. It is a technique for obtaining RDF data from XML documents and in particular XHTML pages. GRDDL transformations can be made for almost any dialect, including microformats.
Implementations
- W3C GRDDL Service
- Triplr - construct URL as http://triplr.org/rdf/example.com/page.htm
Transformations
- hCalendar
- http://www.w3.org/2002/12/cal/glean-hcal.xsl
- hCard
- http://www.w3.org/2006/vcard/hcard2rdf.xsl
- http://norman.walsh.name/2005/12/12/examples/hcard2rdf.xsl
Issues
- Is GRDDL in HTML 4.01 OK, or is it just for XHTML?
- Surely parsers can convert valid HTML4.01 to XHTML, perhaps using HTML-Tidy, before parsing it?
- See mailing list post, 2007-09-27
References
Further reading
- Bootstrapping the Semantic Web with GRDDL, Microformats, and RDFa (tutorial)
- W3C's GRDDL Press Release
- …
Criticisms
- 2007-07-29 - Microformats aren't an answer to the Semantic Web
See also
- …