This video provides information on how to create Web Service provider source/target, expose the Work Flow and run it using tryit and soapUI.
How to automate the repository and domain back up process for disaster recovery in PowerCenter
How to unassign services from an expired key and assign them to a valid key in 9.1.0 and 9.5.1
How to find in which host the Repository Integration service is running in a multi node domain