Exchange formats and interfaces
Data sharing
Numerous export formats for document and object metadata are available for data transfer via interfaces:
- Bibframe – Bibliographic Framework Initiative – Bibliographic description
- DenkXweb – Geoportal of the Hesse Monument Preservation for researching cultural monuments and entire complexes
- Dublin Core – General standard that applies across institutions
- EAD – Encoded Archival Description – Format for archival indexing
- EAD (DDB) – Encoded Archival Description – DDB profile
- EDM – Europeana Data Model
- ESE – Europeana Semantic Elements
- LIDO – Lightweight Info Describing Objects
- LIDO (DDB) – LIDO XML corresponding to the DDB mapping
- MAB – Machine exchange format for libraries
- MARCXML – Machine Readable Cataloging XML
- METS/MODS – Metadata Encoding & Transmission Standard / Metadata Object Description Schema
- Pica+ – format for data storage, based on Pica format, an internal data model for cataloging in GBV
- CSV – Comma-separated values – text file format
- XML – Extensible Markup Language – representation of hierarchically structured data in text form
Interfaces are required for interoperability and are used for communication. Interoperability is guaranteed through defined metadata schemas, through concordances between schemas/models and through common transfer protocols.
Interfaces
API (interfaces) for accessing metadata are:
- OAI – Open Archive s Initiative – OAI-PMH is the protocol used for communication
- SRU /SRW – Search/Retrieve via URL / Search/Retrieve for the Web – technical standard for search queries (e.g. in library catalogs) in the form of URLs, are similar
- Z39.50 – Standard for querying bibliographic Info systems
- SOAP – Simple Object Access Protocol – XML application protocol
- SOA – Service Oriented Architecture – concept for providing independent, loose and reusable services
- SPARQL – RDF query language