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    OAI Icon
    Open Archives Initiative
    Protocol for Metadata Harvesting
    Open Archives Initiative -> PMH
    OAI-PMH Core Resources

    • OAI-PMH Version 2.0 Specification
      Describes the six OAI-PMH verbs, the XML schema for responses to verbs, and the underlying data model
    • Implementation Guidelines
      A supplement to the OAI-PMH Version 2.0 Specification that includes guidelines for implementers and guidelines for specific application domains.
    • Static Repository Specification
      Provides a simple approach for exposing relatively stable and small collections of metadata records through the OAI-PMH.

    Interoperability through Metadata Exchange

    The Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) is a low-barrier mechanism for repository interoperability. Data Providers are repositories that expose structured metadata via OAI-PMH. Service Providers then make OAI-PMH service requests to harvest that metadata. OAI-PMH is a set of six verbs or services that are invoked within HTTP.