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ROHub implements a Research Object Digital Library (RODL) system realizing the backbone services of a software architecture for the preservation of research objects, along with a web client application (Portal). The implementation extends dLibra digital library framework with the notion of research objects and incorporates a triplestore backed by Jena TDB and a long-term preservation component built on dArceo system. The main interface to the digital library system is the set of REST APIs it implements, although it also provides a SPARQL endpoint. Users interact with the system via client applications, such as this web portal, which was developed alongside the digital library system. See http://www.rohub.org/wf4ever-for-developers for additional information.

ROHub is one of the three main tools of wf4ever portfolio of tools, as illustrated in the figure below. Each of these tools are aimed towards different types of target users and their needs and represent different levels of deployment of Research Object management capabilities.

In particular, ROHub acts as a full-fledged backend not only for scientists but also for librarians and potentially other communities interested in the aggregation of heterogeneous information sources with the rigor of digital libraries’ best practices. ROHub provides a holistic approach to the preservation of aggregated information sources and incorporates capabilities to deal with collaboration, versioning, evolution and quality management of Research Objects.

The Wf4Ever home page is http://www.wf4ever.project.org. You can also check other software deployed at http://sandbox.wf4ever.project.org.


If you have problems or questions related to this site, please create an issue at Jira and/or contact ROHub support email. Alternatively you can add an issue in the source code repository: RODL, Portal.


The key RODL paper for citation purposes is: Palma, R., Corcho, O., Hołubowicz, P., Pérez, S., Page, K., and Mazurek, C. 2013. Digital libraries for the preservation of research methods and associated artifacts. In Proceedings of the 1st International Workshop on Digital Preservation of Research Methods and Artifacts (DPRMA '13). ACM, New York, NY, USA, 8-15. DOI=10.1145/2499583.2499589 http://doi.acm.org/10.1145/2499583.2499589

A detailed user guide of RO portal is in:

Palma, R., Hotubowicz, P., Garrido, A. 2013. D1.2v3 Wf4Ever Sandbox – Phase III. Wf4Ever project Deliverable. Available at http://repo.rohub.org/publication/47

A detailed information about the API implemented by RODL is in:

De Roure, D., Hołubowicz, P., Page, P., Palma, R. 2013. D1.3v2 Wf4Ever Architecture – Phase II. Wf4Ever project Deliverable. Available at http://repo.rohub.org/publication/46

Exemplary use cases:

Hettne, K., et al. 2013. Structuring research methods and data with the Research Object model: genomics workflows as a case study. In submission to Journal of Biomedical Semantics (Available as Preprint).

Hettne, K., et al. 2013. D6.3v3: Genome Wide Association Study workflows v3. Wf4Ever project Deliverable. Available at http://repo.rohub.org/publication/52

Roadmap and release plan:


Software code repository:

RODL: http://github.com/wf4ever/rodl

Portal: http://github.com/wf4ever/portal