Projectdescription FU Berlin

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The project "Functional extensions and value added services for OJS", founded by the Deutsche Forschungsgemeinschaft (DFG), is dedicated to the publishing requirements of OJS users in Germany.

The project work packages are result of an user inquiry and can be discussed in the German OJS forum [1]. The forum is moderated by the Freie Universität Berlin and PKP, and it provides a basis for the exchange and the coordination of the OJS relevant questions and developments in Germany.

Integration with other systems

OJS will be integrated with the following systems that play an important role in electronic publishing in Germany:

German National Library -- Deutsche Nationalbibliothek (DNB)

The OJS OAI interface and metadata export in MARC21 format will be adjusted to DNB standards in order to enable metadata harvesting by the DNB and automate the obligatory publication archiving in DNB. Also, support for and automation of URN assignments to OJS objects will be realized. The OJS OAI interface will be extended, according to DNB requirements for automated URN registration over OAI-PMH.


Bielefeld Academic Search Engine (BASE) is an OAI service provider at the University of Bielefeld and a member of the EU project Digital Repository Infrastructure Vision for European Research (DRIVER). DRIVER aims to establish a cohesive, pan-European infrastructure of Digital Repositories, offering sophisticated services to both researchers and the public. Its vision is to establish a successful interoperation of both, data network and knowledge repositories, as integral parts of the e-infrastructure for research and education in Europe. As such DRIVER provides a guideline for content providers who expose their content using OAI-PMH and Dublin Core.
OJS OAI interface and the metadata export in DC format will be adjusted according to DRIVER-Guidelines 2.0 in order to improve the integration with other systems, e.g. service providers and institutional repositories such as OPUS. OPUS is the most widely used institutional repository in Germany.


OJS integration with a central statistics/service provider enables a standardized and interoperable usage statistics/download impact measurement for OJS documents/publications which in turn enable the use of added value services in OJS (e.g. a recommendation system based on click stream analysis).
The usage/access data collection will either be implemented in OJS or log files from an underlying web server will be used. The data will then be preprocessed and saved in OJS, transformed to OpenURL ContextObject format and provided on the OAI interface to the statistics/service provider. Thus, the preprocessing and storage of access data will be implemented in OJS, the OJS OAI interface will be extended and the data export in OpenURL ContextObject format implemented according to the statistics/service provider requirements. An interface will be developed in OJS in order to retrieve back aggregate statistics on documents. Statistics will be stored in OJS and added value services will be implemented based on such usage data.

VG Wort

German authors’ rights society VG Wort provides services for tracking and registering the number of accesses to a text. This is the prerequisite for the payment of royalties for electronic publications to authors and/or organizations that acquired publishing rights. For the tracking of a document, the document has to be assigned a pixel tag issued by VG Wort. The VG Wort provides web services for integration with other systems and automation of pixel tag management. Automated ordering, registration and assignment of pixel tags to documents will be implemented in OJS.

Multilinguale Europäische DOI Registrationsagentur (mEDRA)

mEDRA is a platform for DOI registration via an ONIX DOI-Metadata-Schema. OJS data export in mEDRA format will be implemented.

s. DOI plug-ins cocumentation


DataCite is an international not-for-profit association of several research institutions. DataCite was originally founded to make DOI registration available for primary research data. Nowadays DataCite registers a broad range of publication objects. In the OJS context these are journal issues, articles, galleys and supplementary files.

s. DOI plug-ins cocumentation

Search optimization

The integration of the search server Solr with OJS will be implemented.


Full support of review journals

OJS will be extended in order to fully support review journals. This means 1. management (create, edit, delete,…) of review items (e.g. books, CDs, DVDs, web sites,…) and their metadata, 2. support of review journal publishing and communication processes, and 3. integration with other OJS elements/areas/functions.

  • Review items will be defined, a metadata standard for their description chosen and their management in OJS implemented.
  • Support for the following additional functionality in OJS will be developed:
    • editor can ask an author to review an item or author can ask for it,
    • author can reserve a review item (or editor can do that for him/her),
    • editor has a detailed status overview about the reviewed, reserved and free items,
    • a list of all reviewed, reserved and free items will be published.
  • The above review items and publishing processes will be integrated into existing OJS publishing processes: there should be a possibility to create a connection between a submission and a review item; the status overview and the published list of review items should be updated according to the submission status, the review item should be included into the article view. Import and Export, reading tools and citation functions will be adapted.

s. Dokumentation des Object For Review-Plug-Ins

Further enhancements

  • RSS for comments,
  • Notification about the upload of a revised article version
  • Browse by section
  • OpenURL resolver
  • Setup of journal elements that are displayed on the index/start page
  • Provide a link from an article to its primary research data (in a repository)
  • Remote URL as galley
  • Pre-decision possibility for editors/section editors
  • Quick submission for editors

OJS forum

The OJS development steps listed above as well as further user requirements will be discussed in the English and German PKP Support Forum.


Workshops about OJS in general, new features, current development and future plans will be organized. They are designed to better connect and further involve the German PKP Community and to coordinate their ongoing requirements.


A multimedia-based tutorial about electronic Publishing, Open Access and OJS will be developed in order to support editors and authors in planning, realization, distribution and use of electronic journals.