1. A computer system comprising a programmable control device programmed to perform a federated management data repository (MDR) query method for a configuration management database (CMDB), the method comprising: receiving interface information for one or more registered MDR services from a computer system possessing a Universal Description, Discovery and Integration (UDDI) registry; querying one or more of the registered MDR services for their respective MDR data models; storing the queried MDR data models in a first memory; and for each of the queried MDR data models: mapping one or more attributes from an entity in the MDR data model to one or more attributes of an entity or entities in the CMDB's federated data model.