← Authors

Sami Virpioja

20 papers · 2009–2025 · 7 conferences · across top CS/AI conferences

Achievements

๐ŸŒˆ Renaissance Researcher (6) ๐ŸŒ‰ Interdisciplinary Bridge ๐Ÿงญ Keyword Pioneer ๐Ÿฃ Hot Topic Early Bird ๐ŸŒ Conference Polyglot (7) ๐Ÿƒ Academic Marathon (16) ๐Ÿ—บ๏ธ Taxonomy Completionist (28) ๐Ÿ Cross-Pollinator (8) ๐Ÿค Dynamic Duo (11) ๐Ÿ”ฅ Unstoppable (7) ๐Ÿ—ƒ๏ธ Keyword Collector (70) ๐Ÿ’Ž Century Club (20)

Conferences

ACL (4) EMNLP (4) NAACL (4) EACL (3) INTERSPEECH (3) COLING (1) CONLL (1)

Top co-authors

Mikko Kurimo (11) Jรถrg Tiedemann (6) Stig-Arne Grรถnroos (5) Yves Scherrer (5) Peter Smit (4) Raรบl Vรกzquez (4) Mikko Aulamo (2) Mittul Singh (2) Teemu Ruokolainen (2) Mathias Creutz (2)

Research topics

Linguistics (1)

Keywords

neural machine translation (6) low-resource language (2) morphological segmentation (2) parallel corpus (2) transfer learning (2) multilingual translation (2) data filtering (2) subword segmentation (2) machine translation (1) information retrieval (1) knowledge distillation (1) speech recognition (1) bilingual alignment (1) document-level translation (1) logistic regression (1) syntactic information (1) embedding similarity (1) data augmentation (1) semantic similarity (1) language identification (1)

Papers

Implementing and Evaluating Multi-source Retrieval-Augmented Translation EMNLP 2025
Four Approaches to Low-Resource Multilingual NMT: The Helsinki Submission to the AmericasNLP 2023 Shared Task ACL 2023
Morfessor-enriched features and multilingual training for canonical morphological segmentation NAACL 2022
The Helsinki submission to the AmericasNLP shared task NAACL 2021
Controlling the Imprint of Passivization and Negation in Contextualized Representations EMNLP 2020
OpusFilter: A Configurable Parallel Corpus Filtering Toolbox ACL 2020
The University of Helsinki and Aalto University submissions to the WMT 2020 news and low-resource translation tasks EMNLP 2020
FinChat: Corpus and Evaluation Setup for Finnish Chat Conversations on Everyday Topics INTERSPEECH 2020
Subword RNNLM Approximations for Out-Of-Vocabulary Keyword Search INTERSPEECH 2019
The University of Helsinki Submissions to the WMT19 News Translation Task ACL 2019
The University of Helsinki Submissions to the WMT19 Similar Language Translation Task ACL 2019
Cognate-aware morphological segmentation for multilingual neural translation EMNLP 2018
Improved Subword Modeling for WFST-Based Speech Recognition INTERSPEECH 2017
Morfessor 2.0: Toolkit for statistical morphological segmentation EACL 2014
Morfessor FlatCat: An HMM-Based Method for Unsupervised and Semi-Supervised Learning of Morphology COLING 2014
Painless Semi-Supervised Morphological Segmentation using Conditional Random Fields EACL 2014
Supervised Morphological Segmentation in a Low-Resource Learning Setting using Conditional Random Fields CONLL 2013
Minimum Bayes Risk Combination of Translation Hypotheses from Alternative Morphological Decompositions NAACL 2009
Morpho Challenge - Evaluation of algorithms for unsupervised learning of morphology in various tasks and languages NAACL 2009
Web Augmentation of Language Models for Continuous Speech Recognition of SMS Text Messages EACL 2009