NorsourceTop

Norsource is an HPSG-based grammar of Norwegian developed at NTNU.

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A. A ‘Grammar Sparrer’, as described in Hellan et al. 2013, accessed at http://regdili.hf.ntnu.no:8081/studentAce/parse. This is a construct along the lines of Bender et al. 2004, and Suppes et al. 2014, falling within the overall initiatives described in Heift and Schultze 2007, where specific types of grammatical mistakes are accommodated by ‘mal-rules’ in an extended ‘mal’-version of the grammar, and parses involving such mal-phenomena are reported to the user as tutoring instructions. This system has been running as a webdemo since 2011.

B. A Multilingual Valence repository, based on NorSource and three further LKB grammars: The Spanish Resource Grammar, the Bulgarian grammar BURGER, and a grammar of Ga. Information from these grammars is imported in a uniform format into the repository. In essence, the valence code used in verbal lexical types is expanded to alternative and more easily inspectable formats, and the verb lexicons of the languages involved are imported into a database organized according to the newer codes, and searchable in terms of these codes. See web access at http://regdili.hf.ntnu.no:8081/multilanguage_valence_demo/multivalence, and for description, Hellan and Bruland 2013, and Hellan et al. 2014.

C. An initial version of a POS-tagger of Norwegian, reflecting the lexical inventory of the grammar, which amounts to appx. 85000 lexical entries, and a large number of proper names of various categories. The tagger currently offers all available POS-alternatives for a given word. See web access at http://regdili.hf.ntnu.no:8081/webtagger/tagger.

Some Papers

2014: Hellan, L., D. Beermann, T. Bruland, M.E.K. Dakubu, and M. Marimon (2014) MultiVal: Towards a multilingual valence lexicon. LREC 2014.

2013 Hellan, L., Tore Bruland, Elias Aamot, Mads H. Sandøy: A Grammar Sparrer for Norwegian. Proceedings of NoDaLiDa 2013.

2012: Hellan, L., D. Beermann. Semantics of Spatial Prepositions in the Grammar NorSource. Paper presented at ‘Meaning of P’, Ruhr-Universität Bochum, Nov 2012.

2008: Hellan, L. From Grammar-Independent Construction Enumeration to Lexical Types in Computational Grammars. Paper presented at COLING, Workshop on Grammar Engineering Across Frameworks (GEAF) Manchester, August 2008 (http://www.aclweb.org/anthology-new/W/W08/#1700).

2007a: Hellan, L. On 'Deep Evaluation' for Individual Computational Grammars and for Cross-Framework Comparison. In: T.H. King and E. M. Bender (eds) Proceedings of the GEAF 2007 Workshop. CSLI Studies in Computational Linguistics ONLINE. CSLI Publications. http://csli-publications.stanford.edu/

2007b: Hellan, L. Representing clause-internal binding in an HPSG/LKB grammar. In Branco, A. (ed) Proceedings from DARC 2007 (Discourse Anaphora Resolution Conference), Lagos.

2006: Hellan, L. and Dorothee Beermann. Word Sense and Semantic Disambiguation of Constructions in a Deep Processing Grammar. Proceedings of the 5th International Conference on Language Resources and Evaluation (LREC 2006). Paris, France: European Language Resources Association 2006 ISBN 2-9517408-2-4.

2005a: Hellan, L. and Dorothee Beermann. The`specifier' in an HPSG grammar implementation of Norwegian.Proceedings of the 15th NODALIDA conference, Joensuu 2005 ed. by S. Werner Ling@JoY: University of Joensuu electronic publications in linguistics and language technology

1. Joensuu 2006

2005b. Hellan, L. Implementing Norwegian Reflexives in an HPSG Grammar. In St. Müller (ed) Proceedings of the 12th International Conference on Head-Driven Phrase Structure Grammar . CSLI Publications, Stanford. (http://csli-publications.stanford.edu/)

2005c. Hellan, L. and Dorothee Beermann. Classification of Prepositional Senses for Deep Grammar Applications. In: Valia Kordoni and Aline Villavicencio (eds.): Proceedings of the 2nd ACL-Sigsem Workshop on The Linguistic Dimensions of Prepositions and their Use in Computational Linguistics Formalisms and Applications, Colchester, United Kingdom, ACL-Sigsem, 2005

2004a: Dorothee Beermann, Jon Atle Gulla, Hellan, L., and Atle Prange. Trailfinder: a case study in extracting spatial information using deep language processing. In Ton van der Wouden, Michaela Poss, Hilke Reckman, and Crit Cremers (eds) Computational Linguistics in the Netherlands 2004: Selected papers from the fifteenth CLIN meeting, pp. 121-131, Leiden, Netherlands, 2004.

2004b: Dorothee Beermann and Hellan, L. A treatment of directionals in two implemented HPSG grammars. In Stefan Müller (ed) Proceedings of the HPSG04 Conference, Katholieke Universiteit Leuven. CSLI Publications, 355-377. (http://csli-publications.stanford.edu/)

2004c: Hellan, L., Dorothee Beermann, Berthold Crysmann, Petter Haugereid, Dario Gonella, Daniela Kurz, Giampaolo Mazzini, Oliver Plaehn, and Melanie Siegel. DEEPTHOUGHT deliverable 5.10. Technical report, The DEEPTHOUGHT consortium. 2003a. NorSource: an introduction. Ms, NTNU.

2003b: Hellan, L. and P. Haugereid. The NorSource Grammar

• an excercise in the Matrix Grammar building design. In: Emily Bender, Dan Flickinger, Frederik Fouvry, and Melanie Siegel (eds) Proceedings of Workshop on Ideas and Strategies for Multilingual Grammar Engineering, ESSLLI 2003.

1989, Hellan, L., L. Johnsen and A. Pitz. 1989. TROLL. Ms., Univ. of Trondheim.