This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
From your question what i understand is you need to change the prefix in your wsdl
You need to find out where the schema prefix is defined and change accordingly.
xmlns:xs="http://www.w3.org/2001/XMLSchema" change this to
This should do, let me know if your question misunderstood.