“…It offers drop-down boxes to select among the available methods and helps to input different data types for the parameters, e.g., to perform a file upload in the service invocation step. Data transfer is handled efficiently by the Flex-SwA framework [8] using a communication policy that allows to describe bulk data transfer protocols. After selecting an operation, loading up a (16KHz, 16bit, mono) wav file and possibly tailoring other parameters to a user's needs, the web service is invoked by simply clicking a button.…”