1. A method of configuring a service-oriented business process system in which business process functions, events, and services are defined, the method comprising: matching business process functions to services to form an extended event-driven process chain (eEPC), each said service having an associated service capability and each said service capability having at least one associated service resource; when multiple matches are possible for a single business process functions, merging the possible matches in accordance with a configurational operator, the configurational operator being one of a disjunctive operator, a conjunctive operator, and an adjunctive operator; and converting the eEPC to a service-oriented event-driven process chain (sEPC) by replacing service capabilities with the associated matching services and the associated configurational operator in accordance with integrity rules.