8. A method for managing core enterprise reference data associated with an enterprise, comprising: using a centralized master repository to store core enterprise reference data, the core enterprise reference data associated with a plurality of data schemas, each data schema comprising one or more data models for core enterprise reference data, each data model comprising one or more fields; and using a data management services framework coupled with the centralized master repository that provides services to manage the core enterprise reference data in the centralized master repository, the data management services framework including a data management services framework subsystem that provides data access services between user interface levels, data management rules, and the centralized master repository wherein at least one of the data management rules comprises a validation rule that automatically selects a level of validation based on one or more characteristics of inbound data.
8. A method for managing core enterprise reference data associated with an enterprise, comprising: using a centralized master repository to store core enterprise reference data, the core enterprise reference data associated with a plurality of data schemas, each data schema comprising one or more data models for core enterprise reference data, each data model comprising one or more fields; and using a data management services framework coupled with the centralized master repository that provides services to manage the core enterprise reference data in the centralized master repository, the data management services framework including a data management services framework subsystem that provides data access services between user interface levels, data management rules, and the centralized master repository wherein at least one of the data management rules comprises a validation rule that automatically selects a level of validation based on one or more characteristics of inbound data. 10. The method of claim 8 , further comprising using the data management services framework subsystem to provide data access services including a data cache.