We've just blogged about the LOD group on CKAN: http://blog.okfn.org/2009/11/05/new-linking-open-data-group-on-ckan/
In particular, CKAN's data is now available in RDF and has been published on the Connected Commons platform: http://api.talis.com/stores/ckan/services/sparql -- Jonathan Gray Community Coordinator The Open Knowledge Foundation http://www.okfn.org