Dave Orchard does a WSDL 2.0 binding for Norm Walsh’s Where in the World application — without a doubt a lot cleaner than the (not really existent) WSDL 1.1 equivalent. Of course, Dave knows how to ask the right question:

If there’s a core concept to examine in REST description languages wrt WSDL, it’s whether WSDL’s aggregation of operations into interfaces and then binding to http makes sense.