DBC OAI Repo provides an interface to harvest metadata from DBC' Open Search data well. Data OAI Repo contains data from the raw repo, which means that the records are available in their original, raw form, and not consolidated.
DBC OAI Repo is based on version 2.0 of the OAI-PHM standard. In the terminology of OAI-PMH, DBC OAI Repo is a data provider/repository.
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How to use DBC OAI Repo
DBC OAI Repo works as specified in the OAI-PHM Version 2.0 Specification.
Below are a list of examples that should serve as a quick introduction to the interface and possibilities of DBC OAI Repo.
Some data sets require subscription and therefore authentication is required to obtain these. Authenticate by using the identity-parameter with the Netpunkt-triple (syntax: user:group:password) of your institution:
Use indent=on for human readability:
Operations (OAI verbs):
Basic information about the repository:
Information about available data sets in the repositories:
Available metadata formats:
The available format, marcx, refers to danMARC2 in MarcXchange 1.1 format.
This is the main function of DBC OAI Repo and is used to harvest records.
The metadataPrefix parameter is mandatory. Possible values are retrieved with ListMetadataFormats.
The parameters from and until can be used to define a date interval for the harvested records:
Specify a set (set names are retrieved using ListSets) using the parameter set. If no set name is specified, records from all available sets are retrieved.
A maximum of 100 records can be harvested with each call. If further records are available within the defined set, a resumptionToken is returned. Call ListRecords with the token to retrieve the next records in the sets. Please note, that the resumptionToken must be URL-encoded when used in a request:
If the resumptionToken-element is not present, all available records have been retrieved.
To only retrieve identifiers but not actual records, use ListIdentifiers. Use and options are the same as for ListRecords.
A specific record can be retrieved by it's identifier using getRecord:
Example of a volume record that will be retrieved together with it's main record when metadata format is marcx: