I don't think there is any comprehensive view of the sort Alex wanted, but since Dan brought up some fo the discussion from 2001 or so, I'll throw out:
Using RDF with SOAP (2002) https://www.ibm.com/developerworks/webservices/library/ws-soaprdf/ Supercharging WSDL with RDF (2000) https://www.ibm.com/developerworks/library/ws-rdf/ More recently I've given a presentation on "Semantic SOA" http://zepheira.com/talks/ssoa-stc09.pdf With SAWSDL in the offing perhaps it is time for someone to prep a comprehensive picture. -- Uche Ogbuji http://uche.ogbuji.net Founding Partner, Zepheira http://zepheira.com Linked-in profile: http://www.linkedin.com/in/ucheogbuji Articles: http://uche.ogbuji.net/tech/publications/ Friendfeed: http://friendfeed.com/uche Twitter: http://twitter.com/uogbuji Join me at Balisage: * http://www.balisage.net/