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Understanding METS Application Profiles: A Guide for Document Authors and Programmers

METS Application Profiles define classes of METS documents, offering detailed guidance for authors and programmers to create and process METS documents in accordance with specific profiles. Each profile is represented as an XML document and adheres to a standard schema. To get started, users can download documentation and example profiles from the Library of Congress METS website. The registry of METS profiles is maintained online, allowing free access and contributions. The profiles include essential components like unique URIs, abstracts, and structural requirements to support interoperability in digital libraries.

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Understanding METS Application Profiles: A Guide for Document Authors and Programmers

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  1. METS Application Profiles Morgan Cundiff Network Development and MARC Standards Office Library of Congress

  2. What is a METS Application Profile? “METS Profiles are intended to describe a class of METS documents in sufficient detail to provide both document authors and programmers the guidance they require to create and process METS documents conforming with a particular profile.” A profile is expressed as an XML document. There is a schema for this purpose.

  3. What is a “class of documents”? • An open question • At LC we are making a one-to-one relationship between a document class, or “object type” and a typical library item, e.g. a book, a photograph, a compact disc, etc.

  4. How does one get started with Profiles? • Download the documentation • Download the XML Schema for Profiles • Download the example Profile document http://www.loc.gov/mets

  5. How will Profiles be made available? A registry of METS profiles will be maintained on the METS website. All profiles can be freely downloaded.

  6. How does one register a Profile? • Send the profile document via email to metsprofile@loc.gov • The METS Editorial Board will review the profile, perhaps suggest changes, etc • Upon completion of review it will be added to the METS website registry.

  7. What are the 13 components of a Profile? • Unique URI • Short Title • Abstract • Date and time of creation • Contact Information • Related profiles

  8. What are the 13 components? (cont’d) • Extension schemas • Rules of description • Controlled vocabularies • Structural requirements • Technical requirements • Tools and applications • Sample document

  9. What are “structural requirements”? • Occurrence of elements (METS) • Occurrence of elements (extension schemas) • Structure Map model • Include metadata with mdRef or mdWrap • Embed content file data in METS document with Fcontent or reference using Flocat • Associate elements with ID/IDREF attributes

  10. Summary Application Profiles: • Provide guidance for the creation on METS documents • Aid machine processing of METS documents (software tool building) • A step towards interoperability of digital libraries

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