Automated execution of a business service as an electronic service

A method defines an execution of a business service by an electronic service. The method includes steps of: defining at least one canonical data schema containing data type specifications in an electronic services registry; defining at least one electronic service interface specification in the electronic services registry, the electronic service interface specification defining messages being received and sent by a service, the message definitions referring to one or more of the data type specifications, and also containing addressing and encoding information for the delivery and receiving of messages to and from the service; and defining business service specifications in a business services registry, referring in the specification to an electronic service specification.