The phrase "a metadata repository" is correct and usable in written English.
You can use it when referring to a centralized location where metadata is stored and managed, often in the context of data management or information systems.
Example: "The organization implemented a metadata repository to improve data governance and ensure consistency across its databases."
Alternatives: "a metadata database" or "a metadata storage system".
One would have a military information-technology firm become a metadata repository – a solution tinged with irony, since NSA whistleblower Edward Snowden, whose leaks prompted the reform discussion, worked for contractor Booz Allen Hamilton.
The budget document, disclosed by Mr. Snowden, shows that the agency is pouring money and manpower into creating a metadata repository capable of taking in 20 billion "record events" daily and making them available to N.S.A. analysts within 60 minutes.
A metadata repository can be either active or passive.
The system of record of data warehouse data is ideally defined in a metadata repository.
When development and analysis are used interactively with a metadata repository, the repository is considered to be active.
When used in conjunction with a metadata repository such as Metacat, and a metadata editing tool such as Morpho, the Ecological Metadata Language allows a large community of researchers to access and to share their data.
As a rule, an active metadata repository is much more desirable and useful than a passive metadata repository.
Therefore, the paper at hand identifies requirements to be met by a business metadata repository, which is a tool that can effectively support collaborative management of business metadata.
This paper identifies the key factors which contribute to the semantic integration of the information system metadata, and proposes a possible architecture for an integrated metadata repository.
This paper describes the setting up of a SECOA metadata repository for non-specialist researchers such as environmental scientists and tourism experts.
This infrastructure consists of an integrated set of three major components: a controlled terminology service (Enterprise Vocabulary Services), a standards-based metadata repository (the cancer Data Standards Repository) and an information system with an Application Programming Interface (API) based on Domain Model Driven Architecture.
