Publications by Hrafn Loftsson


Journal papers

  1. Steindór O. Ellertsson, Hrafn Loftsson and Emil L. Sigurðsson. 2021. Artificial intelligence in the GPs office: A retrospective study on diagnostic accuracy. Scandinavian Journal of Primary Health Care. DOI: 10.1080/02813432.2021.1973255.

  2. Hrafn Loftsson. 2008. Tagging Icelandic text: A linguistic rule-based approach. Appeared in a revised form, subsequent to editorial input by Cambridge University Press, in Nordic Journal of Linguistics, 31(1): 47-72. © 2008 Cambridge University Press.

  3. Hrafn Loftsson. 2006. Tagging Icelandic text: An experiment with integrations and combinations of taggers. Language Resources and Evaluation, 40(2): 175-181.

Conference and workshop papers

  1. Anna Björk Nikulásdóttir, Þórunn Arnardóttir, Jón Guðnason, Þorsteinn Daði Gunnarsson, Anton Karl Ingason, Haukur Páll Jónsson, Hrafn Loftsson, Hulda Óladóttir, Einar Freyr Sigurðsson, Atli Þór Sigurgeirsson, Vésteinn Snæbjarnarson and Steinþór Steingrímsson. 2021. Help Yourself from the Buffet: National Language Technology Infrastructure Initiative on CLARIN-IS. In Proceedings of the CLARIN Annual Conference. Online.

  2. Steinþór Steingrímsson, Hrafn Loftsson and Andy Way. 2021. PivotAlign: Leveraging High-Precision Word Alignments for Bilingual Dictionary Inference. In Proceedings of the 4th Translation Inference Across Dictionaries (TIAD) shared task. Zaragoza, Spain.

  3. Steinþór Steingrímsson, Pintu Lohar, Hrafn Loftsson and Andy Way. 2021. Effective Bitext Extraction From Comparable Corpora Using a Combination of Three Different Approaches. In Proceedings of the 14th Workshop on Building and Using Comparable Corpora (BUCC). Online.

  4. Hrafn Loftsson and Ásrún Matthíasdóttir. 2021. Moving Classes in a Large Programming Course Online: An Experience Report. In Proceedings of the 2nd International Computer Programming Education Conference. Online.

  5. Jón Daðason, Hrafn Loftsson, Salome Sigurðardóttir and Þorsteinn Björnsson. 2021. IceSum: An Icelandic Text Summarization Corpus. In Proceedings of the Conference of the North American Chapter of the Association for Computational Linguistics (NAACL): Student Research Workshop. Mexico City, Mexico (Online).

  6. Steinþór Steingrímsson, Hrafn Loftsson and Andy Way. 2021. CombAlign: a Tool for Obtaining High-Quality Word Alignments. In Proceedings of the 23rd Nordic Conference of Computational Linguistics (NODALIDA-2021). NEALT Proceedings Series. Reykjavik, Iceland (Online).

  7. Svanhvít L. Ingólfsdóttir, Ásmundur A. Guðjónsson and Hrafn Loftsson. 2020. Named Entity Recognition for Icelandic: Annotated Corpus and Models. In Proceedings of the 8th International Conference on Statistical Language and Speech Processing (SLSP 2020). Cardiff, United Kingdom. Lecture Notes in Computer Science, vol 12379. Springer, Cham. The final authenticated version is available online at https://doi.org/10.1007/978-3-030-59430-5_4.

  8. Haukur Páll Jónsson, Haukur Barri Símonarson, Vésteinn Snæbjarnason, Steinþór Steingrímsson and Hrafn Loftsson. 2020. Experimenting with Different Machine Translation Models in Medium-Resource Settings. In Proceedings of the 23rd International Conference on Text, Speech and Dialogue (TSD 2020). Brno, Czech Republic (Online). Lecture Notes in Computer Science, vol 12284. Springer, Cham. The final authenticated version is available online at https://doi.org/10.1007/978-3-030-58323-1_10.

  9. Steinþór Steingrímsson, Hrafn Loftsson and Andy Way. 2020. Effectively Aligning and Filtering Parallel Corpora under Sparse Data Conditions. In Proceedings of the ACL Student Research Workshop. Seattle, Washington (Online).

  10. Ásrún Matthíasdóttir and Hrafn Loftsson. 2020. Improving the implementation of a first-semester programming course. In Proceedings of the 16th International CDIO Conference. Bangkok, Thailand.

  11. Anna Nikulásdóttir, Jón Guðnason, Anton Karl Ingason, Hrafn Loftsson, Eiríkur Rögnvaldsson, Einar Freyr Sigurðsson and Steinþór Steingrímsson. 2020. Language Technology Programme for Icelandic 2019-2023. In Proceedings of the 12th International Conference on Language Resources and Evaluation (LREC 2020). Marseille, France.

  12. Jón Daðason, David Mollberg, Hrafn Loftsson and Kristín Bjarnadóttir. 2020. Kvistur 2.0: a BiLSTM Compound Splitter for Icelandic. In Proceedings of the 12th International Conference on Language Resources and Evaluation (LREC 2020). Marseille, France.

  13. Hrafn Loftsson and Ásrún Matthíasdóttir. 2019. Using Flipped Classroom and Team-Based Learning in a First-Semester Programming Course: An Experience Report. In Proceedings of TALE 2019, IEEE International Conference on Teaching, Assessment, and Learning for Engineering. Yogyakarta, Indonesia.

  14. Svanhvít Lilja Ingólfsdóttir, Hrafn Loftsson, Jón Friðrik Daðason, Kristín Bjarnadóttir. 2019. Nefnir: A high accuracy lemmatizer for Icelandic. In Proceedings of the 22nd Nordic Conference of Computational Linguistics (NODALIDA-2019). NEALT Proceedings Series. Turku, Finland.

  15. Svanhvít Lilja Ingólfsdóttir, Sigurjón Þorsteinsson and Hrafn Loftsson. 2019. Towards High Accuracy Named Entity Recognition for Icelandic. In Proceedings of the 22nd Nordic Conference of Computational Linguistics (NODALIDA-2019). NEALT Proceedings Series. Turku, Finland.

  16. Steinþór Steingrímsson, Örvar Kárason and Hrafn Loftsson. 2019. Augmenting a BiLSTM tagger with a Morphological Lexicon and a Lexical Category Identification Step. In Proceedings of Recent Advances in Natural Language Processing (RANLP 2019). Varna, Bulgaria.

  17. Vilhjálmur Þorsteinsson, Hulda Óladóttir and Hrafn Loftsson. 2019. A Wide-Coverage Context-Free Grammar for Icelandic and an Accompanying Parsing System. In Proceedings of Recent Advances in Natural Language Processing (RANLP 2019). Varna, Bulgaria.

  18. Ásrún Matthíasdóttir and Hrafn Loftsson. 2019. Flipped Learning in a Programming Course: Students’ Attitudes. In Proceedings of the 15th International CDIO Conference. Aarhus, Denmark.

  19. Anton Karl Ingason, Hrafn Loftsson, Eiríkur Rögnvaldsson, Einar Freyr Sigurðsson and Joel C. Wallenberg. 2014. Rapid Deployment of Phrase Structure Parsing for Related Languages: A Case Study of Insular Scandinavian. In Proceedings of the 9th International Conference on Language Resources and Evaluation (LREC 2014). Reykjavik, Iceland.

  20. Sigrún Helgadóttir, Hrafn Loftsson and Eiríkur Rögnvaldsson. 2014. Correcting Errors in a New Gold Standard for Tagging Icelandic Text. In Proceedings of the 9th International Conference on Language Resources and Evaluation (LREC 2014). Reykjavik, Iceland.

  21. Hrafn Loftsson and Robert Östling. 2013. Tagging a Morphologically Complex Language Using an Averaged Perceptron Tagger: The Case of Icelandic. In Proceedings of the 19th Nordic Conference of Computational Linguistics (NODALIDA-2013). NEALT Proceedings Series 16. Oslo, Norway.

  22. Hrafn Loftsson. 2013. Tagging the Past: Experiments Using the Saga Corpus. In Proceedings of the 19th Nordic Conference of Computational Linguistics (NODALIDA-2013). NEALT Proceedings Series 16. Oslo, Norway.

  23. Elena Volodina, Lars Borin, Hrafn Loftsson, Birna Arnbjörnsdóttir and Guðmundur Örn Leifsson. 2012. Waste not, want not: Towards a system architecture for ICALL based on NLP component re-use. In Proceeding of the SLTC 2012 workshop on NLP for CALL. Linköping Electronic Conference Proceedings, 80: 47-58.

  24. Elena Volodina, Hrafn Loftsson, Birna Arnbjörnsdóttir, Lars Borin and Guðmundur Örn Leifsson. 2012. Towards a system architecture for ICALL. In Proceedings of the ICCE Conference on Technology Enhanced Language Learning (TELL), ICCE 2012, The 20th International Conference on Computers in Education. Singapore.

  25. Sigrún Helgadóttir, Ásta Svavarsdóttir, Eiríkur Rögnvaldsson, Kristín Bjarnadóttir and Hrafn Loftsson. 2012. The Tagged Icelandic Corpus (MÍM). In Proceedings of the SaLTMiL-AfLaT Workshop on "Language technology for normalisation of less-resourced languages", 8th International Conference on Language Resources and Evaluation (LREC 2012). Istanbul, Turkey.

  26. Jón Guðnason, Oddur Kjartansson, Jökull Jóhannsson, Elín Carstensdóttir, Hannes H. Vilhjálmsson, Hrafn Loftsson, Sigrún Helgadóttir, Kristín Jóhannsdóttir and Eiríkur Rögnvaldsson. 2012. Almannaromur: An Open Icelandic Speech Corpus. In Proceedings of the Third International Workshop on Spoken Language Technologies for Under-resourced languages (SLTU 2012). Cape Town, South Africa.

  27. Hrafn Loftsson, Sigrún Helgadóttir and Eiríkur Rögnvaldsson. 2011. Using a morphological database to increase the accuracy in PoS tagging. In Proceedings of Recent Advances in Natural Language Processing (RANLP 2011). Hissar, Bulgaria.

  28. Martha Dís Brandt, Hrafn Loftsson, Hlynur Sigurþórsson and Francis M. Tyers. 2011. Apertium-IceNLP: A rule-based Icelandic to English machine translation system. In Proceedings of the 15th Annual Conference of the European Association for Machine Translation (EAMT-2011). Leuven, Belgium.

  29. Hrafn Loftsson, Jökull H. Yngvason, Sigrún Helgadóttir and Eiríkur Rögnvaldsson. 2010. Developing a PoS-tagged corpus using existing tools. In Proceedings of "Creation and use of basic lexical resources for less-resourced languages", workshop at the 7th International Conference on Language Resources and Evaluation (LREC 2010). Valetta, Malta.

  30. Verena Henrich, Timo Reuter and Hrafn Loftsson. 2009. CombiTagger: A System for Developing Combined Taggers. In Proceedings of the 22nd International FLAIRS Conference, Special Track: "Applied Natural Language Processing". Sanibel Island, Florida, USA. © 2009 AAAI.

  31. Hrafn Loftsson, Ida Kramarczyk, Sigrún Helgadóttir and Eiríkur Rögnvaldsson. 2009. Improving the PoS tagging accuracy of Icelandic text. In Proceedings of the 17th Nordic Conference of Computational Linguistics (NODALIDA-2009). Odense, Denmark.

  32. Anton K. Ingason, Skúli B. Jóhannsson, Sigrún Helgadóttir, Hrafn Loftsson and Eiríkur Rögnvaldsson. 2009. Context-Sensitive Spelling Correction and Rich Morphology. In Proceedings of the 17th Nordic Conference of Computational Linguistics (NODALIDA-2009). Odense, Denmark.

  33. Eiríkur Rögnvaldsson, Hrafn Loftsson, Kristín Bjarnadóttir, Sigrún Helgadóttir, Anna B. Nikulásdóttir, Matthew Whelpton and Anton K. Ingason. 2009. Icelandic Language Resources and Technology: Status and Prospects. In Proceedings of the NoDaLiDa 2009 Workshop "Nordic Perspectives on the CLARIN Infrastructure of Common Language Resources". Odense, Denmark.

  34. Hrafn Loftsson. 2009. Correcting a POS-Tagged Corpus Using Three Complementary Methods. In Proceedings of the 12th Conference of the European Chapter of the ACL (EACL 2009). Athens, Greece.

  35. Anton K. Ingason, Sigrún Helgadóttir, Hrafn Loftsson and Eiríkur Rögnvaldsson. 2008. A Mixed Method Lemmatization Algorithm Using Hierachy of Linguistic Identities (HOLI). In B. Nordström and A. Ranta (eds.), Advances in Natural Language Processing, 6th International Conference on NLP, GoTAL 2008, Proceedings. Gothenburg, Sweden.

  36. Hrafn Loftsson and Eiríkur Rögnvaldsson. 2008. Linguistic richness and technical aspects of an incremental finite-state parser. In Proceedings of "Partial Parsing 2008", workshop at the 6th International Conference on Language Resources and Evaluation, LREC 2008. Marrakech, Morocco.

  37. Hrafn Loftsson and Eiríkur Rögnvaldsson. 2007. IceNLP: A Natural Language Processing Toolkit for Icelandic. In Proceedings of InterSpeech 2007, Special session: "Speech and language technology for less-resourced languages". Antwerp, Belgium.

  38. Hrafn Loftsson and Eiríkur Rögnvaldsson. 2007. IceParser: An Incremental Finite-State Parser for Icelandic. In J. Nivre, H-J. Kaalep, K. Muischnek and M. Koit (eds.), Proceedings of the 16th Nordic Conference of Computational Linguistics (NODALIDA-2007). Tartu, Estonia.

  39. Hrafn Loftsson. 2007. Tagging Icelandic Text using a Linguistic and a Statistical Tagger. In Proceedings of Human Language Technologies 2007: The Conference of the North American Chapter of the ACL. Rochester, NY, USA.

  40. Hrafn Loftsson. 2006. Tagging a morphologically complex language using heuristics. In T. Salakoski, F. Ginter, S. Pyysalo and T. Pahikkala (eds.), Advances in Natural Language Processing, 5th International Conference on NLP, FinTAL 2006, Proceedings. Turku, Finland.


Edited volumes

  1. Hrafn Loftsson, Eiríkur Rögnvaldsson and Sigrún Helgadóttir (eds). 2010. Advances in Natural Language Processing. 7th International Conference on NLP, IceTAL 2010, Reykjavik, Iceland, August 2010, Proceedings. © 2010 Springer.

Technical reports

  1. Hrafn Loftsson and Eiríkur Rögnvaldsson. 2006. A shallow syntactic annotation scheme for Icelandic text. Technical Report RUTR-SSE06004, Department of Computer Science, Reykjavik University.

PhD thesis

Hrafn Loftsson. 2007. Tagging and parsing Icelandic text. Department of Computer Science, University of Sheffield, United Kingdom.


Teaching material

  1. Hrafn Loftsson. 2015. Hugsaðu eins og tölvunarfræðingur. An Icelandic translation of the book 'How to Think Like a Computer Scientist', by Allen B. Downey.

Newspaper and non-refereed journal articles (in Icelandic)

  1. Nýtt íslenskt-enskt grófþýðingarkerfi frá Máltæknisetri, Tímarit HR, mars 2010.
  2. Máltækni í HR, Tímarit HR, maí 2009.
  3. Skortur á tölvunarfræðingum - hvað er til ráða?, Viðskiptablaðið, 1. apríl 2008.
  4. Markari og þáttari fyrir íslenskan texta, Tölvumál, febrúar 2008.
  5. Íslensk tunga og máltækni, Viðskiptablaðið, 27. nóvember, 2007.
  6. Tölvunarfræði er góður valkostur, Morgunblaðið, júlí, 2003.
  7. Nám og rannsóknir í tæknigreinum á háskólastigi, Morgunblaðið, mars 2003.