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ORCIDSami Virpioja
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2020 – today
- 2024
[j11]Jörg Tiedemann
, Mikko Aulamo, Daria Bakshandaeva, Michele Boggia, Stig-Arne Grönroos, Tommi Nieminen, Alessandro Raganato, Yves Scherrer, Raúl Vázquez, Sami Virpioja:
Democratizing neural machine translation with OPUS-MT. Lang. Resour. Evaluation 58(2): 713-755 (2024)- 2023
- [c48]Mikko Aulamo, Ona de Gibert, Sami Virpioja, Jörg Tiedemann:
Unsupervised Feature Selection for Effective Parallel Corpus Filtering. EAMT 2023: 31-38 - [c47]Aarne Talman, Hande Çelikkanat, Sami Virpioja, Markus Heinonen, Jörg Tiedemann:
Uncertainty-Aware Natural Language Inference with Stochastic Weight Averaging. NoDaLiDa 2023: 358-365 - [i10]Aarne Talman, Hande Çelikkanat, Sami Virpioja, Markus Heinonen, Jörg Tiedemann:
Uncertainty-Aware Natural Language Inference with Stochastic Weight Averaging. CoRR abs/2304.04726 (2023) - 2022
- [i9]Jörg Tiedemann, Mikko Aulamo, Daria Bakshandaeva, Michele Boggia, Stig-Arne Grönroos, Tommi Nieminen, Alessandro Raganato, Yves Scherrer, Raúl Vázquez, Sami Virpioja:
Democratizing Machine Translation with OPUS-MT. CoRR abs/2212.01936 (2022) - 2021
- [j10]Matti Varjokallio, Sami Virpioja, Mikko Kurimo:
Morphologically motivated word classes for very large vocabulary speech recognition of Finnish and Estonian. Comput. Speech Lang. 66: 101141 (2021) - [j9]Peter Smit, Sami Virpioja, Mikko Kurimo:
Advances in subword-based HMM-DNN speech recognition across languages. Comput. Speech Lang. 66: 101158 (2021) - [c46]Juho Leinonen, Sami Virpioja, Mikko Kurimo:
Grapheme-Based Cross-Language Forced Alignment: Results with Uralic Languages. NoDaLiDa 2021: 345-350 - [c45]Mikko Aulamo, Sami Virpioja, Yves Scherrer, Jörg Tiedemann:
Boosting Neural Machine Translation from Finnish to Northern Sámi with Rule-Based Backtranslation. NoDaLiDa 2021: 351-356 - 2020
- [j8]Stig-Arne Grönroos, Sami Virpioja, Mikko Kurimo:
Transfer learning and subword sampling for asymmetric-resource one-to-many neural translation. Mach. Transl. 34(4): 251-286 (2020) - [c44]Mikko Aulamo, Sami Virpioja, Jörg Tiedemann:
OpusFilter: A Configurable Parallel Corpus Filtering Toolbox. ACL (demo) 2020: 150-156 - [c43]Hande Çelikkanat, Sami Virpioja, Jörg Tiedemann, Marianna Apidianaki:
Controlling the Imprint of Passivization and Negation in Contextualized Representations. BlackboxNLP@EMNLP 2020: 136-148 - [c42]Katri Leino, Juho Leinonen, Mittul Singh, Sami Virpioja, Mikko Kurimo:
FinChat: Corpus and Evaluation Setup for Finnish Chat Conversations on Everyday Topics. INTERSPEECH 2020: 429-433 - [c41]Mikko Aulamo, Umut Sulubacak, Sami Virpioja, Jörg Tiedemann:
OpusTools and Parallel Corpus Diagnostics. LREC 2020: 3782-3789 - [c40]Stig-Arne Grönroos, Sami Virpioja, Mikko Kurimo:
Morfessor EM+Prune: Improved Subword Segmentation with Expectation Maximization and Pruning. LREC 2020: 3944-3953 - [c39]Mittul Singh, Peter Smit, Sami Virpioja, Mikko Kurimo:
Effects of Language Relatedness for Cross-lingual Transfer Learning in Character-Based Language Models. SLTU-CCURL@LREC 2020: 41-45 - [c38]Yves Scherrer, Stig-Arne Grönroos, Sami Virpioja:
The University of Helsinki and Aalto University submissions to the WMT 2020 news and low-resource translation tasks. WMT@EMNLP 2020: 1129-1138 - [i8]Stig-Arne Grönroos, Sami Virpioja, Mikko Kurimo:
Morfessor EM+Prune: Improved Subword Segmentation with Expectation Maximization and Pruning. CoRR abs/2003.03131 (2020) - [i7]Stig-Arne Grönroos, Sami Virpioja, Mikko Kurimo:
Transfer learning and subword sampling for asymmetric-resource one-to-many neural translation. CoRR abs/2004.04002 (2020) - [i6]Mittul Singh, Sami Virpioja, Peter Smit, Mikko Kurimo:
Subword RNNLM Approximations for Out-Of-Vocabulary Keyword Search. CoRR abs/2005.13827 (2020) - [i5]Mittul Singh, Peter Smit, Sami Virpioja, Mikko Kurimo:
Effects of Language Relatedness for Cross-lingual Transfer Learning in Character-Based Language Models. CoRR abs/2007.11648 (2020) - [i4]Katri Leino, Juho Leinonen, Mittul Singh, Sami Virpioja, Mikko Kurimo:
FinChat: Corpus and evaluation setup for Finnish chat conversations on everyday topics. CoRR abs/2008.08315 (2020)
2010 – 2019
- 2019
- [c37]Mittul Singh, Sami Virpioja, Peter Smit, Mikko Kurimo:
Subword RNNLM Approximations for Out-Of-Vocabulary Keyword Search. INTERSPEECH 2019: 4235-4239 - [c36]Yves Scherrer, Raúl Vázquez, Sami Virpioja:
The University of Helsinki Submissions to the WMT19 Similar Language Translation Task. WMT (3) 2019: 236-244 - [c35]Aarne Talman, Umut Sulubacak, Raúl Vázquez, Yves Scherrer, Sami Virpioja, Alessandro Raganato, Arvi Hurskainen, Jörg Tiedemann:
The University of Helsinki Submissions to the WMT19 News Translation Task. WMT (2) 2019: 412-423 - [i3]Aarne Talman, Umut Sulubacak, Raúl Vázquez, Yves Scherrer, Sami Virpioja, Alessandro Raganato, Arvi Hurskainen, Jörg Tiedemann:
The University of Helsinki submissions to the WMT19 news translation task. CoRR abs/1906.04040 (2019) - 2018
- [j7]Sami Virpioja, Minna Lehtonen, Annika Hultén, Henna Kivikari, Riitta Salmelin, Krista Lagus:
Using Statistical Models of Morphology in the Search for Optimal Units of Representation in the Human Mental Lexicon. Cogn. Sci. 42(3): 939-973 (2018) - [c34]Matti Varjokallio, Sami Virpioja, Mikko Kurimo:
First-Pass Techniques for Very Large Vocabulary Speech Recognition ff Morphologically Rich Languages. SLT 2018: 227-234 - [c33]Stig-Arne Grönroos, Sami Virpioja, Mikko Kurimo:
Cognate-aware morphological segmentation for multilingual neural translation. WMT (shared task) 2018: 386-393 - [i2]Stig-Arne Grönroos, Sami Virpioja, Mikko Kurimo:
Cognate-aware morphological segmentation for multilingual neural translation. CoRR abs/1808.10791 (2018) - 2017
- [j6]Seppo Enarvi, Peter Smit, Sami Virpioja, Mikko Kurimo:
Automatic Speech Recognition With Very Large Conversational Finnish and Estonian Vocabularies. IEEE ACM Trans. Audio Speech Lang. Process. 25(11): 2085-2097 (2017) - [c32]Peter Smit, Siva Reddy Gangireddy, Seppo Enarvi, Sami Virpioja, Mikko Kurimo:
Character-based units for unlimited vocabulary continuous speech recognition. ASRU 2017: 149-156 - [c31]Peter Smit, Siva Reddy Gangireddy, Seppo Enarvi, Sami Virpioja, Mikko Kurimo:
Aalto system for the 2017 Arabic multi-genre broadcast challenge. ASRU 2017: 338-345 - [c30]Peter Smit, Sami Virpioja, Mikko Kurimo:
Improved Subword Modeling for WFST-Based Speech Recognition. INTERSPEECH 2017: 2551-2555 - [c29]Stig-Arne Grönroos, Sami Virpioja, Mikko Kurimo:
Extending hybrid word-character neural machine translation with multi-task learning of morphological analysis. WMT 2017: 296-302 - [i1]Seppo Enarvi, Peter Smit, Sami Virpioja, Mikko Kurimo:
Automatic Speech Recognition with Very Large Conversational Finnish and Estonian Vocabularies. CoRR abs/1707.04227 (2017) - 2016
- [j5]Teemu Ruokolainen, Oskar Kohonen, Kairit Sirts, Stig-Arne Grönroos, Mikko Kurimo, Sami Virpioja:
A Comparative Study of Minimally Supervised Morphological Segmentation. Comput. Linguistics 42(1): 91-120 (2016) - [c28]Matti Varjokallio, Mikko Kurimo, Sami Virpioja:
Class n-Gram Models for Very Large Vocabulary Speech Recognition of Finnish and Estonian. SLSP 2016: 133-144 - [c27]Stig-Arne Grönroos, Sami Virpioja, Mikko Kurimo:
Hybrid Morphological Segmentation for Phrase-Based Machine Translation. WMT 2016: 289-295 - 2015
- [c26]Stig-Arne Grönroos, Sami Virpioja, Mikko Kurimo:
Tuning Phrase-Based Segmented Translation for a Morphologically Complex Target Language. WMT@EMNLP 2015: 105-111 - [c25]Sami Virpioja, Stig-Arne Grönroos:
LeBLEU: N-gram-based Translation Evaluation Score for Morphologically Complex Languages. WMT@EMNLP 2015: 411-416 - 2014
- [c24]Stig-Arne Grönroos, Sami Virpioja, Peter Smit, Mikko Kurimo:
Morfessor FlatCat: An HMM-Based Method for Unsupervised and Semi-Supervised Learning of Morphology. COLING 2014: 1177-1185 - [c23]Peter Smit, Sami Virpioja, Stig-Arne Grönroos, Mikko Kurimo:
Morfessor 2.0: Toolkit for statistical morphological segmentation. EACL 2014: 21-24 - [c22]Teemu Ruokolainen, Oskar Kohonen, Sami Virpioja, Mikko Kurimo:
Painless Semi-Supervised Morphological Segmentation using Conditional Random Fields. EACL 2014: 84-89 - 2013
- [c21]Matti Varjokallio, Mikko Kurimo, Sami Virpioja:
Learning a subword vocabulary based on unigram likelihood. ASRU 2013: 7-12 - [c20]Teemu Ruokolainen, Oskar Kohonen, Sami Virpioja, Mikko Kurimo:
Supervised Morphological Segmentation in a Low-Resource Learning Setting using Conditional Random Fields. CoNLL 2013: 29-37 - 2012
- [j4]Sami Virpioja, Mari-Sanna Paukkeri, Abhishek Tripathi, Tiina Lindh-Knuutila, Krista Lagus:
Evaluating vector space models with canonical correlation analysis. Nat. Lang. Eng. 18(3): 399-436 (2012) - 2011
- [j3]Sami Virpioja, Ville T. Turunen, Sebastian Spiegler, Oskar Kohonen, Mikko Kurimo:
Empirical Comparison of Evaluation Methods for Unsupervised Learning of Morphology. Trait. Autom. des Langues 52(2): 45-90 (2011) - [c19]Sami Virpioja, Minna Lehtonen, Annika Hultén, Riitta Salmelin, Krista Lagus:
Predicting Reaction Times in Word Recognition by Unsupervised Learning of Morphology. ICANN (1) 2011: 275-282 - [c18]Sami Virpioja, Oskar Kohonen, Krista Lagus:
Evaluating the effect of word frequencies in a probabilistic generative model of morphology. NODALIDA 2011: 230-237 - 2010
- [c17]Tommi Vatanen, Jaakko J. Väyrynen, Sami Virpioja:
Language Identification of Short Text Segments with N-gram Models. LREC 2010 - [c16]Oskar Kohonen, Sami Virpioja, Krista Lagus:
Semi-Supervised Learning of Concatenative Morphology. SIGMORPHON 2010: 78-86 - [c15]Mikko Kurimo, Sami Virpioja, Ville T. Turunen, Krista Lagus:
Morpho Challenge 2005-2010: Evaluations and Results. SIGMORPHON 2010: 87-95 - [c14]Sami Virpioja, Jaakko J. Väyrynen, André Mansikkaniemi, Mikko Kurimo:
Applying Morphological Decompositions to Statistical Machine Translation. WMT@ACL 2010: 195-200
2000 – 2009
- 2009
- [c13]Mikko Kurimo, Sami Virpioja, Ville T. Turunen, Graeme W. Blackwood, William Byrne:
Overview and Results of Morpho Challenge 2009. CLEF (1) 2009: 578-597 - [c12]Mikko Kurimo, Sami Virpioja, Ville T. Turunen, Graeme W. Blackwood, William J. Byrne:
Overview and Results of Morpho Challenge 2009. CLEF (Working Notes) 2009 - [c11]Sami Virpioja, Oskar Kohonen:
Unsupervised Morpheme Discovery with Allomorfessor. CLEF (Working Notes) 2009 - [c10]Sami Virpioja, Oskar Kohonen, Krista Lagus:
Unsupervised Morpheme Analysis with Allomorfessor. CLEF (1) 2009: 609-616 - [c9]Mathias Creutz, Sami Virpioja, Anna Kovaleva:
Web Augmentation of Language Models for Continuous Speech Recognition of SMS Text Messages. EACL 2009: 157-165 - [c8]Mikko Kurimo, Sami Virpioja, Ville T. Turunen, Teemu Hirsimäki:
Morpho Challenge - Evaluation of algorithms for unsupervised learning of morphology in various tasks and languages. HLT-NAACL (Demos) 2009: 13-16 - [c7]Adrià de Gispert, Sami Virpioja, Mikko Kurimo, William J. Byrne:
Minimum Bayes Risk Combination of Translation Hypotheses from Alternative Morphological Decompositions. HLT-NAACL (Short Papers) 2009: 73-76 - 2008
- [c6]Oskar Kohonen, Sami Virpioja, Mikaela Klami:
Allomorfessor: Towards Unsupervised Morpheme Analysis. CLEF 2008: 975-982 - [c5]Oskar Kohonen, Sami Virpioja, Mikaela Klami:
Allomorfessor: Towards Unsupervised Morpheme Analysis. CLEF (Working Notes) 2008 - [c4]Timo Honkela, Sami Virpioja, Jaakko J. Väyrynen:
Adaptive Translation: Finding Interlingual Mappings Using Self-Organizing Maps. ICANN (1) 2008: 603-612 - 2007
- [j2]Vesa Siivola, Teemu Hirsimäki, Sami Virpioja:
On Growing and Pruning Kneser-Ney Smoothed N-Gram Models. IEEE Trans. Speech Audio Process. 15(5): 1617-1624 (2007) - [c3]Sami Virpioja, Jaakko J. Väyrynen, Mathias Creutz, Markus Sadeniemi:
Morphology-aware statistical machine translation based on morphs induced in an unsupervised manner. MTSummit 2007 - 2006
- [j1]Teemu Hirsimäki, Mathias Creutz, Vesa Siivola, Mikko Kurimo, Sami Virpioja, Janne Pylkkönen:
Unlimited vocabulary speech recognition with morph language models applied to Finnish. Comput. Speech Lang. 20(4): 515-541 (2006) - [c2]Sami Virpioja, Mikko Kurimo:
Compact n-gram models by incremental growing and clustering of histories. INTERSPEECH 2006 - 2005
- [c1]Mathias Creutz, Krista Lagus, Sami Virpioja:
Unsupervised Morphology Induction Using Morfessor. FSMNLP 2005: 300-301
Coauthor Index
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