http://www.idealliance.org/proceedings/xtech05/papers/03-06-01/
This paper describes GRDDL, standing for "Gleaning Resource Descriptions from Dialects of Languages", a technology under development in W3C designed to fill part of this gap, allowing document authors to associate automatically formalized RDF statements with XHTML and XML-based formats.
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Abstract
While SGML and XML languages have had for a long time the possibility to describe syntactic constraints of their vocabularies using DTD and other schema languages, no specific mechanism exists to allow for the mapping between these syntactic constraints and their semantic implications.
GRDDL, a technology in development in W3C, allows to incorporate semantics from XML vocabularies and XHTML conventions into the Semantic Web by re-using existing extensibility hooks of the Web. This paper explains the basic principles of its mechanisms, and explore how it can be applied for various communities.
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