Skip to content

Other Harvesting Methods

Beyond the EHRI-NFDI4Memory Update OAI-PMH API, EHRI data can be accessed through various alternative methods and formats.

Direct Download of Controlled Vocabularies

EHRI Controlled Vocabularies metadata are available as downloadable files in TTL (Turtle) and RDF/XML formats:

EHRI Camps

EHRI Ghettos

EHRI Terms

EHRI GraphQL API

For programmatic access to virtual sets (Camps, Ghettos, Terms, Persons, Corporate Bodies, Countries, and Repositories), the EHRI GraphQL API can be used directly.

For detailed GraphQL queries, see the Virtual Sets documentation page.

GraphQL Endpoint: https://portal.ehri-project.eu/api/graphql

EHRI Data APIs Documentation

For comprehensive documentation about all EHRI Data APIs, including:

  • EHRI OAI-PMH API (for Archival Description records)
  • GraphQL API specification
  • REST API endpoints

Visit: https://portal.ehri-project.eu/api

EHRI Data Model

For understanding the structure and relationships of EHRI data:

Visit: https://portal.ehri-project.eu/help/datamodel

EHRI Knowledge Graph (Testing Stage)

The EHRI Knowledge Graph provides linked data access to EHRI Portal data.

Testing Stage

The EHRI Knowledge Graph is currently in testing stage. Features and endpoints may change.

Resources