Business processes are constructed and/or modified utilizing system knowledge including a folksonomy that stores information regarding a group of services usable by composition applications that collects system monitored services usage information and user inputs. In one aspect, candidate services are recommended and/or automatically updated/replaced, which can implement aspects of a business process from the group of services based upon information derived from the system knowledge. In another aspect, a composition design component interacts with a user to build and/or modify services based upon identified aspect of business processes to be implemented by services, wherein the component design component recommends candidate services that can implement the aspects of the business processes from the group of services based upon information derived from the system knowledge.