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  • Automatic Transcription of Oral History Interviews

    This webservice and web application uses automatic speech recognition to provide the transcriptions of recordings spoken in Dutch. You can upload and process only one file per project. For bulk processing and other questions, please contact Henk van den Heuvel at h.vandenheuvel@let.ru.nl.

  • Alpino: a dependency parser for Dutch

    Alpino is a dependency parser for Dutch, developed in the context of the PIONIER Project Algorithms for Linguistic Processing.
    Bouma, G., van Noord, G. J. M. and Malouf, R. 2001.Alpino: Wide-coverage computational analysis of Dutch. in Daelemans, W., Simaan, K., Veenstra, J. and Zavrel, J. (eds.). Computational Linguistics in the Netherlands 2000. Amsterdam: Rodopi, p. 45-59 15 p. (LANGUAGE AND COMPUTERS : STUDIES IN PRACTICAL LINGUISTICS)
    Robert Malouf and Gertjan van Noord. Wide Coverage Parsing with Stochastic Attribute Value Grammars. In: IJCNLP-04 Workshop Beyond Shallow Analyses - Formalisms and statistical modeling for deep analyses.
    Leonoor van der Beek, Gosse Bouma, and Gertjan van Noord. Een brede computationele grammatica voor het Nederlands. 2002. Nederlandse Taalkunde. https://www.let.rug.nl/~vannoord/papers/taalkunde.pdf .

  • TQE: Transcription Quality Evaluation

    The Transcription Quality Evaluation (TQE) tool is an instrument that automatically evaluates the quality of phonetic transcriptions. The application makes it possible to upload pairs of files consisting of an audio file and a transcription file and process them as follows: the audio signal and the phonetic transcription are aligned, segment boundaries are derived for each phone, and for each segment-phone combination it is determined how well they fit together, i.e. for each phone a TQE measure (a confidence measure) is determined, a number ranging from 0-100%, indicating how good the fit is, i.e. the quality of the phone transcription. The higher the number, the better the fit. The output of the TQE tool consists of a TQE measure and the segment boundaries for each phone in the corpus. The TQE tool thus makes it possible to find (sequences of) segments for which the match of the phone symbols with the audio signal is not optimal, in other words, the TQE tool can be used to check the quality of phonetic transcriptions. This can be useful for validating (manual) phonetic transcriptions, but also to compare and select (‘competing’) transcriptions, e.g. to study pronunciation variation. The TQE tool can thus be usefully applied in all research – in various (sub-) fields of humanities and language and speech technology (L&ST) – in which audio and phonetic transcriptions are involved.

  • ePistolarium: A Web-based Humanities’ Collaboratory on Correspondences

    Circulation of Knowledge and Learned Practices in the 17th-century Dutch Republic (CKCC) investigates the circulation of knowledge in the 17th-century Dutch Republic. A multi-disciplinary project team consisting of historians, literature researchers, linguists and computer scientists works together in this project and created a web-based Humanities’ Collaboratory on Correspondences. This project, is carried out thanks to a NWO Medium investment subsidy and with CLARIN subsidies to make the resources available withing the CLARIN domain. A consortium of Dutch universities and cultural heritage institutions is building a web-based collaboratory (an online space for asynchronous collaboration) around a corpus of 20.000 letters of scholars who lived in the 17th-century Dutch Republic to answer the research question: how did knowledge circulate in the 17th century? Hereto, it will be necessary to analyze this large amount of correspondence systematically. Based on this (extendable) corpus, we will implement a content processing workflow that consists of iterative cycles of conceptual analysis, enrichment with several layers of annotation and visualization. With advice from CLARIN-EU in the first stage of the project a demonstrator was developed which implements techniques of keyword extraction. The second stage consists of evaluating existing more complex tools en techniques that can tackle one or more aspects of the targeted grammatical, content-related, and network complexity analysis, annotation, and visualization. The phase shall identify a set of tools that can be readily utilized in CKCC, as well as tools that need to be adapted or extended to the needs of CKCC; in short, by the end of this phase resources, requirements and risks shall become clear (deadline: December 2010). In the third stage the collaboratory is further developed according to the description in the CKCC project goals, centering around the technique of concept extraction. These three stages constitute the Work Package Analysis Tools, the core of the CKCC project, which was supported by CLARIN-NL. Other Work Packages provide data and software tools needed to create a complete system: the digital corpus of letters (WP6), the editing collaboratory that will contain the letters (WP1), and the archiving environment for data and software (WP2).
    Ravenek, W, van den Heuvel, C and Gerritsen, G. 2017. The ePistolarium: Origins and Techniques. In: Odijk, J and van Hessen, A. (eds.) CLARIN in the Low Countries, Pp. 317–323. London: Ubiquity Press. DOI: https://doi.org/10.5334/bbi.26. License: CC-BY 4.0

  • PILNAR: Pilgrimage Narratives - a corpus for studying the profile of the modern pilgrim

    A corpus of pilgrimage narratives with Dutch texts written after ca. 2000 that present the thoughts and impressions of pilgrims to Santiago de Compostela. The PILNAR corpus is a source for research for a variety of (sub)disciplines: culture studies, ritual and religious studies, but also media and e-culture studies (cf the use of blogs and other social media for the self-presentation of experiences). Only for authorized users. The PILNAR corpus contains six subcorpora: - Volumes of De Jacobsstaf 1986-: 84 pdf files; - Volumes of De Pelgrim of the Flemish Society of Santiago de Compostella nos. 1-4 (16mb, 10mb, 16mb) (both societies work collaborate closely); - Volumes of Ultreia, a newsletter; 3 issues available now: January, February, April 2011; - Pilgrimage accounts and blogs by pilgrims available via the Societies Netherlands: circa 140 files; Flemish: circa 138 files; - A corpus of pilgrimage narratives compiled on the occasion of the exhibition in Museum Catharijneconvent held in collaboration with the Society: www.pelgrimsverhalen.nl; (link is external) already on the site now: about 180 fields (as of July 2011); - Accounts and narratives that come in after a specially targeted notice via the site and periodical by the Society (De Jacobsstaf), with perhaps a Flemish companion piece (De Pelgrim).

  • BNM-I: Linked Data on Middle Dutch Sources Kept Worldwide

    Web application for consultation, using facetted search, and collaborative editing of the curated e-BNM collection of textual, codicological and historical information about thousands of Middle Dutch manuscripts kept world wide.The Bibliotheca Neerlandica Manuscripta and Impressa collects and makes available information on medieval manuscripts produced in the Netherlands regardless where they are kept. Documentation activities concentrate on the Middle-Dutch texts and their authors that have been transmitted in these manuscripts, on the individuals and institutions that have been involved in the manuscript production (scribes, illuminators, monasteries) and on the former and present manuscript owners. Since 1991 two-thirds of this ‘paper’ information, checked and supplemented with information from recent publications, has been converted into electronic data and incorporated in a database ( BNM-I ), which can be searched online. In 2013 this database was converted in the e-BNM+ project into a flexible datastructure that turned BNM-I into a key open access resource to which many other resources can easily be linked. The new BNM-I: - will be freely accessible for every user, anywhere in the world; - can easily implement new contributions or corrections by scientists; - can easily be linked to related databases - in the near future cross searching several databases in one interface will be possible; - will be prepared for the inclusion of new data, like: research data on Middle Dutch texts that were printed before 1541 and the books in which they are preserved; - articles on Middle Dutch texts and their authors (associated with the current thesaurised information).

  • WFT-GTB: Integrating the Wurdboek fan ˈe Fryske Taal into the Geïntegreerde TaalBank

    The Dictionary of the Frisian Language (Wurdboek fan de Fryske Taal) is online available via the GTB dictionary web application. The GTB also holds other major Dutch historical dictionaries, such as the Dictionary of Old Dutch (ONW), the Dictionary of early Middle Dutch (VMNW), the Dictionary of Middle Dutch (MNW), and the Dictionary of the Dutch language (WNT). The digital surrounding enables extensive forms of free and structured search queries, including comparative studies with Dutch materials. The Wurdboek fan de Fryske Taal (Dictionary of the Frisian Language)-project includes the vocabulary of Modern West Frisian from the period 1800-1975. The dictionary’s metalanguage is Dutch. A volume of 400 pages comes out every year, the first one in 1984. The editorial phase was finalized in 2009, the final editing and publication phase in 2010.
    Modern Dutch Lemma and Frisian lemma
    Describes the origin of a word
    describes the meaning of a words
    describes the structure of a word
    describes the possible spellings of a word
    Depuydt, K, de Does, J, Duijff, P and Sijens, H. 2017. Making the Dictionary of the Frisian Language Available in the Dutch Historical Dictionary Portal. In: Odijk, J and van Hessen, A. (eds.) CLARIN in the Low Countries, Pp. 151–165. London: Ubiquity Press. DOI: https://doi.org/10.5334/bbi.13. License: CC-BY 4.0

  • VK: Verrijkt Koninkrijk (Enriched Kingdom)

    Dr Loe de Jong’s Het Koninkrijk der Nederlanden in de Tweede Wereldoorlog remains the most appealing history of German occupied Dutch society (1940-1945). Published between 1969 and 1991, the 14 volumes, consisting of 30 parts and 18,000 pages combine the qualities of an authoritative work for a general audience, and an inevitable point of reference for scholars. In VK this corpus is enriched with: - Tokenization, sentence splitting, part-of-speech tagging and lemmatization (done with the FROG software from Tilburg University); - Named entity recognition (done using UvA's NE tagger (specially trained for Dutch within the Stevin DuoMan project)); - Polarity tagging (positive/negative connotation of words) (done using UvA's FietsTas software (developed for Dutch within the Stevin DuoMan project)); - Named entity reconciliation by linking to Wikipedia (done using software developed by Edgar Meij (UvA)).
    REST web interface, HTTP GET
    De Boer, V., J. van Doornik, L. Buitinck, K. Ribbens, and T. Veken. Enriched Access to a Large War Historical Text using the Back of the Book Index. Extended abstract presented at the Workshop on Semantic Web and Information Extraction (SWAIE 2012), Galway, Ireland, 9 october 2012
    L. Buitinck and M.Marx, Two-Stage Named-Entity Recognition Using Averaged Perceptrons in proceedings of NDLB, Groningen, Netherlands, 2012. http://link.springer.com/chapter/10.1007%2F978-3-642-31178-9_17

  • Cornetto: Combinatorial and Relational Network as Toolkit for Dutch Language Technology

    Cornetto is a lexical resource for the Dutch language which combines two resources with different semantic organisations: the Dutch Wordnet with its synset organisation and the Dutch Reference Lexicon which includes definitions, usage constraints, selectional restrictions, syntactic behaviours, illustrative contexts, etc. The Cornetto database contains over 92K lemmas and almost 120K word meanings. The Cornetto lexical resource for Dutch covers the most generic and central part of the language. Cornetto combines the structures of the Princeton Wordnet, some of the features from the FrameNet for English and the information on morphological, syntactic, semantic and combinatorial features of lexemes normally found in dictionaries. The Cornetto resource is compiled by combining and aligning two existing semantic resources for Dutch: the Dutch wordnet (DWN) and the Referentie Bestand Nederlands (RBN). Recently, the resource is revised and extended with sentiment values in the From Text to Political Positions project , and with semantic annotations in SONAR, CGN and texts from the Web in the DutchSemCor project. The Cornetto Lexical Resource consists of two large repositories of lexicon data: the lexical entry repository and the synset repository. A Lexical Entry (LE) is a word-meaning pair (i.e. a single meaning of a certain word form), for which morphological, syntactical, semantical and combinatorial information is given. As such, LEs are word senses in the lexical semantic tradition, containing the linguistic knowledge that is needed to properly use the word in a specific meaning in a language. Since the LEs follow a word-to-meaning view, the semantical and combinatorial information for each meaning clarify the differences across the meanings. LEs focus on the polysemy of words and typically follow an approach to represent condensed and generalised meanings from which more specific ones can be derived. Each LE is aligned with a synset (set of synonyms) in the synset repository. As such, a synset can be seen as a set of LEs with the same meaning and every synset stands for a concept. The synsets in Cornetto are interconnected by different semantic relations such as hyponymy, antonymy and meronymy. The Cornet-to Resource is aligned with the English Wordnet, from which domain information was imported. The domains represent clusters of concepts that are related by a shared area of interest, such as sport, education or politics. The definitions of LEs from the same synset should be semantically equivalent and the LEs of a single word form should belong to different synsets. The LEs of a single word form typically differ in terms of connotation, pragmatics, syntax and semantics but synonymous words in the same synset can be differen-tiated along connotation, pragmatics and syntax but not semantics. This structure of the resource makes it possible to combine the very detailed information on form and usage of a specific LE or a group of LEs with the semantic relations which are specified in the corresponding synset(s). For an Open Source version lexico-semantic database for Dutch see the Open Source Dutch Wordnet (ODWN): http://wordpress.let.vupr.nl/odwn/
    Vossen, P., I. maks, R. Segers, H. van der Vliet, M.F. Moens, K. Hofmann, E. Tjong Kim Sang, M. de Rijke (2013), Corntto: a lexical semantic database for Dutch, Chapter in: P. Spyns and J. Odijk (eds): Essential Speech and Language Technology for Dutch, Results by the STEVIN-programme, Publ. Springer series Theory and Applications of Natural Language Processing, ISBN 978-3-642-30909-0.
    Vossen, P., I. Maks, R. Seegers and H. van der Vliet (2008). Integrating Lexical Units, Synsets, and Ontology in the Cornetto Database. In Proceedings of LREC-2008, Marrakech, Morocco.