Paul Trilsbeek


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  • Trilsbeek, P., & Windhouwer, M. (2016). FLAT: A CLARIN-compatible repository solution based on Fedora Commons. In Proceedings of the CLARIN Annual Conference 2016. Clarin ERIC.


    This paper describes the development of a CLARIN-compatible repository solution that fulfils both the long-term preservation requirements as well as the current day discoverability and usability needs of an online data repository of language resources. The widely used Fedora Commons open source repository framework, combined with the Islandora discovery layer, forms the basis of the solution. On top of this existing solution, additional modules and tools are developed to make it suitable for the types of data and metadata that are used by the participating partners.

    Additional information

    link to pdf on CLARIN site
  • Windhouwer, M., Kemps-Snijders, M., Trilsbeek, P., Moreira, A., Van der Veen, B., Silva, G., & Von Rhein, D. (2016). FLAT: Constructing a CLARIN Compatible Home for Language Resources. In K. Choukri, T. Declerck, S. Goggi, M. Grobelnik, B. Maegaard, J. Mariani, H. Mazo, & A. Moreno (Eds.), Proccedings of LREC 2016: 10th International Conference on Language Resources and Evalution (pp. 2478-2483). Paris: European Language Resources Association (ELRA).


    Language resources are valuable assets, both for institutions and researchers. To safeguard these resources requirements for repository systems and data management have been specified by various branch organizations, e.g., CLARIN and the Data Seal of Approval. This paper describes these and some additional ones posed by the authors’ home institutions. And it shows how they are met by FLAT, to provide a new home for language resources. The basis of FLAT is formed by the Fedora Commons repository system. This repository system can meet many of the requirements out-of-the box, but still additional configuration and some development work is needed to meet the remaining ones, e.g., to add support for Handles and Component Metadata. This paper describes design decisions taken in the construction of FLAT’s system architecture via a mix-and-match strategy, with a preference for the reuse of existing solutions. FLAT is developed and used by the a Institute and The Language Archive, but is also freely available for anyone in need of a CLARIN-compliant repository for their language resources.
  • Trilsbeek, P., & Wittenburg, P. (2007). "Los acervos lingüísticos digitales y sus desafíos". In J. Haviland, & F. Farfán (Eds.), Bases de la documentacíon lingüística (pp. 359-385). Mexico: Instituto Nacional de Lenguas Indígenas.


    This chapter describes the challenges that modern digital language archives are faced with. One essential aspect of such an archive is to have a rich metadata catalog such that the archived resources can be easily discovered. The challenge of the archive is to obtain these rich metadata descriptions from the depositors without creating too much overhead for them. The rapid changes in storage technology, file formats and encoding standards make it difficult to build a long-lasting repository, therefore archives need to be set up in such a way that a straightforward and automated migration process to newer technology is possible whenever certain technology becomes obsolete. Other problems arise from the fact that there are many different groups of users of the archive, each of them with their own specific expectations and demands. Often conflicts exist between the requirements for different purposes of the archive, e.g. between long-term preservation of the data versus direct access to the resources via the web. The task of the archive is to come up with a technical solution that works well for most usage scenarios.

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