Meta Data Management:
Metadata Repository is one of the outcomes of metadata management process. Metadata management is an end-to-end process for creating, enhancing and maintaining meta-data repository and associated processes. Metadata management includes establishing processes, mind-sets, organization and capabilities to build a metadata environment. Like BI and Master Data Management, the bigger challenge on meta-data management is related business process discipline and data management culture.
Wiki:
Meta data management
Metadata
Metadata repository