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Harvesten der SSOAR-Metadaten über OAI-PMH-Schnittstelle möglich

Types of repositories

Document servers, or repositories, are instruments for the implementation of self-archiving, the green road to open access. These databases are operated by universities or research organisations. As a rule, both the posting of the documents by the authors and the access to them by users are free of charge.

Institutional and discipline-specific repositories

There are two main categories of repositories, institutional and discipline-specific:

  • Institutional repositories are operated mostly by universities in order to enable their own members to archive manuscripts and other materials digitally and, in this way, to make them available to the public.
  • Discipline-specific repositories store and provide access to the scholarly output of a particular subject area, for example an individual discipline. Important German projects include PsyDok, a discipline-specific full-text server for (German-language) psychology, and SSOAR, an internationally-oriented social science full-text server.

Linking repositories

SSOAR is searchable by category, by keywords or by means of free-text search. However, users do not have to search individual repositories one by one. By entering their query in a search interface, they can search various repositories simultaneously. This facilitates both the traceability and the maximum dissemination and visibility of scholarly manuscripts. To further optimise this process, a new infrastructure for linking repositories is currently being built within the framework of the EU project DRIVER (Digital Repository Infrastructure Vision for European Research).

Quality assurance

The quality of document repositories and the services they provide can be attested to by means of a special certificate, "Document and Publication Service", awarded by the DINI working group on Electronic Publication (DINI: the German Initiative for Networked Information). Criteria for the award of the certificate include the visibility of the overall range of services, the support provided to authors, the security, authenticity and integrity of the technical system and the long-term availability and traceability of the archived documents. We intend to apply to have SSOAR audited and certified by DINI.

In addition to making documents available to the public and other basic functions covered by the certificate, SSOAR will allow specific search options in selected repositories and in key qualitative research resources as one of several value-added services.