1. A computer-implemented method for determining resources utilized by a service request in a data processing system, the method comprising: determining monitored relationship types from monitoring data; determining relationship domains, wherein each of the domains is derived from one of the relationship types that is monitored by a single monitoring application; determining intra-domain relationships from relationships that are internal to the relationship domains; determining cross-domain relationships from the intra-domain relationships that are linked between pairs of the relationship domains; and determining resources utilized by the service request from the intra-domain and cross-domain relationships.