OAI-PMH harvester and server for CKAN. This extends CKAN harvester to parse OAI-PMH metadata sources and import datasets. Supported metadata schemas are oai_dc (Dublin Core), RDF.
At NINA, we use it uniquely as an OAI-PMH server, for exposing metadata
The list of supported verbs consists of:
- Identify: Displays information about this OAI-PMH server.
- /oai?verb=Identify
- ListMetadataFormats: List available metadata standards.
- /oai?verb=ListMetadataFormats
- ListSets: fetches identifiers of sets (in CKAN case: organizations).
- /oai?verb=ListSets
- ListIdentifiers: fetches individual datasets' identifiers.
- /oai?verb=ListIdentifiers&metadataPrefix=oai_dc
- ListRecords: List all public datasets
- /oai?verb=ListRecords&metadataPrefix=oai_dc
- GetRecord: Fetches a single dataset.
- /oai?verb=GetRecord&identifier=&metadataPrefix=oai_dc