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Metadata for the NGDA: Developing a Shared Approach
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  1. Metadata for the NGDA: Developing a Shared Approach Joint UCSB / Stanford meeting at Stanford University May 23, 2005 Nancy J. Hoebelheinrich, Metadata Coordinator, Stanford University

  2. Topics for discussion today • Purpose: initiate discussion of approach to MD within federated environment • Overview of what “metadata” covers • Suggested approach, given federation Nancy J. Hoebelheinrich, Metadata Coordinator, Stanford University

  3. Metadata within a federation – what can we expect? • Basis of metadata requirements • Type of repository • Planned services for given constituency • What data providers can provide • What repository can contribute • Contextual realities: technical, legal, economic Nancy J. Hoebelheinrich, Metadata Coordinator, Stanford University

  4. Overview of what MD covers • Descriptions of object and collections • Documentation of business rules = administrative metadata • Transport and packaging of object and associated metadata Nancy J. Hoebelheinrich, Metadata Coordinator, Stanford University

  5. Descriptive Metadata for NGDA • Discovery /searching for object / item • FRBR (basic level of functionality): find identify select obtain • Geographic necessities: location • Metadata Registries (see ISO/IEC 11179, Information Technology -- Metadata Registries) • Collection level for inclusion in catalogs and emerging collection registries • IMLS Collection registry, NSDL, CORDRA Nancy J. Hoebelheinrich, Metadata Coordinator, Stanford University

  6. Administrative Metadata – business rules • Collection & MD management • Technical in conjunction with format registries • Preservation – documentation of current & past status of, preservation actions upon digital objects • Rights as necessary to store, display, use Nancy J. Hoebelheinrich, Metadata Coordinator, Stanford University

  7. A little more on Rights • Documentation of rights holders • Provide facilitation of user authentication / authorization to protect privacy & allow / restrict use of content • Public statement of above to display to users Nancy J. Hoebelheinrich, Metadata Coordinator, Stanford University

  8. Transport and packaging • Structural metadata – ordered components of digital object and relationships among them • Crafted, standardized packages for (at least) submission, and archiving of content & MD to NGDA Nancy J. Hoebelheinrich, Metadata Coordinator, Stanford University

  9. Suggested approach, given federation: • Use of standards (e.g., FGDC, qDC or MODS Light, MIX, XML, GML?, PREMIS, METS or XFDU?) • Develop core set of MD classes & elements within, based on standards • Use metadata, format, collection registries as possible Nancy J. Hoebelheinrich, Metadata Coordinator, Stanford University

  10. Plan of action: • Investigate / analyze standards to use • Obtain / query sample collections of content & metadata • Develop & recommend core set of metadata for geospatial content in conjunction with broader geospatial community • Work with developers to create / identify tools, services, workflow Nancy J. Hoebelheinrich, Metadata Coordinator, Stanford University