OAI-PMH, continued

The Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) “provides an application-independent interoperability framework based on metadata harvesting.”
OAI-PMH allows service and data providers to issue the following six requests: GetRecord, Identify, ListIdentifiers, ListMetadataFormats, ListRecords, & ListSets.

The Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) “provides an application-independent interoperability framework based on metadata harvesting.”