A method, system, computer program product, and data structure for processing requests for services in a networked data processing system is provided. In one embodiment a request is received by a service provider. The request includes defined allowable actions and request definition compositions. The...http://www.google.com.au/patents/US20030229503?utm_source=gb-gplus-sharePatent US20030229503 - System and method for composite business interactions in electronic commerce