The Dublin Core Metadata Registry: Requirements, Implementation, and Experience
Metadata registries are an important digital library research area with the promise of satisfying the needs of metadata designers, practitioners, and users. This paper describes the deployment experience involving the Dublin Core Metadata Initiative (DCMI) metadata registry  and discusses the opportunities and prospects for metadata registries as part of the evolving Web-based metadata infrastructure. The motivation and architecture of the DCMI registry are discussed. Benefits and beneficiaries are described, as well as barriers to installation and adoption of metadata registry technology. In addition, prospects for further development are discussed.