5 Principles of interoperable metadata:
RDF: http://en.wikipedia.org/wiki/Resource_Description_Framework [10]
RDFa: http://en.wikipedia.org/wiki/RDFa [11]
Links:
[1] http://pulse.veltsos.com/category/it/data
[2] http://pulse.veltsos.com/category/it/data-management
[3] http://pulse.veltsos.com/category/it/metadata
[4] http://pulse.veltsos.com/category/it/reference
[5] http://www.slideshare.net/fabien_gandon/rdfa-in-a-nutshell-v1?type=presentation
[6] http://www.slideshare.net/
[7] http://www.slideshare.net/fabien_gandon
[8] http://slideshare.net/tag/v2
[9] http://slideshare.net/tag/web
[10] http://en.wikipedia.org/wiki/Resource_Description_Framework
[11] http://en.wikipedia.org/wiki/RDFa