Swedish treebank
A Swedish treebank built from recycled language resources The Swedish treebank has come about through work by researchers in the Universities at Uppsala (Computational Linguistics, Department of Linguistics and Philology) and Växjö (The Language Technology research group in the School of Mathematics and Systems Engineering). The treebank is the result of the harmonization of the linguistic information in two existing Swedish language resources: Talbanken, a corpus of Swedish written and transcribed spoken language from the 1970s, manually annotated with syntactic information according to a traditional Scandinavian approach SUC2 (Stockholm Umeå Corpus), a morphosyntactically annotated (all corpus words are tagged with part of speech and lemma), balanced corpus of published Swedish written language from the 1990s The harmonization process in brief has been that Talbanken has been annotated with the morphosyntactic tags used in SUC in a semiautomatic process, and both Talbanken and SUC have been automatically syntactically annotated with a phrase structure version of Talbanken's original syntax analysis. This means that we can expect errors in the syntactic annotation, particularly in SUC. A preliminary evaluation of the annotation, presented at a post-conference workshop at SLTC 2008, shows that the syntactic annotation is still very useful in corpus-linguistic investigations. Format, license and distribution Format The Swedish treebank is distributed in the TIGER-XML format, so that the freely available TIGERSearch tool can be used with it. TIGERSearch can be downloaded from Institut für Maschinelle Sprachverarbeitung at the Universitety of Stuttgart. License The treebank part - i.e., the added syntactic annotations - of the Swedish treebank, is free, under an open source license. Talbanken is freely available for research and education purposes, it can be downloaded here SUC requires that each user signs an individual license agreement with the Department of Linguistics, Stockholm University. As of 1st December, 2008, licensing of SUC is entrusted to Språkbanken, University of Gothenburg. The license agreement can be downloaded in pdf format here. Read more about SUC2 and SUC3 here In order to get access to SUC (and thereby to the Swedish treebank), you are required to print out the license agreement form, sign it and send it by ordinary mail to SUC-licens Språkbanken Institutionen för svenska, flerspråkighet och språkteknologi Göteborgs universitet Box 200 SE-405 30 Göteborg Sweden Upon receipt and approval of the agreement, we will contact you by email with downloading instructions. Distribution The Swedish treebank is distributed by Språkbanken, University of Gothenburg. See the preceding section for instructions, or contact us for more information by emailing sb-info@svenska.gu.se. If you have a SUC license already, you will get downloading instructions and password from us. Others will first need to sign a SUC license agreement (see above). References If you wish to cite the Swedish treebank in a paper, please use the following reference: Joakim Nivre, Beáta Megyesi, Sofia Gustafson-Capková, Filip Salomonsson and Bengt Dahlqvist (2008) Cultivating a Swedish Treebank In: Nivre, Dahllöf, and Megyesi (Eds), Resourceful Language Technology: Festschrift in Honor of Anna Sågvall Hein, pp111–120. Uppsala: Acta Universitatis Upsaliensis. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8933Opens in a new tab You can give this Språkbanken page as its download location.
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