Teemu Vahtola
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About Me
I am a PhD student in the NLP research group at University of Helsinki, supervised by Mathias Creutz and Jörg Tiedemann. My thesis focuses on the vector-based representations of paraphrastic sentences, i.e., sentences that carry a similar meaning but are realised in different surface forms. More specifically, I focus on the tasks of paraphrase detection in noisy training data conditions and paraphrase generation for promoting variation in generated sequences.
I am especially interested in questions related to computational semantics, distributional semantics and applications such as Machine Translation.
Education
- Current: PhD Student, Language Technology Group, University of Helsinki.
- 2023: Visiting PhD student, Language Technology Lab, University of Cambridge.
- 2020: MA, Language Technology, University of Helsinki.
- 2019: BA, African Studies, University of Helsinki.
Publications
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Teemu Vahtola, Mathias Creutz, Jörg Tiedemann. It Is Not Easy To Detect Paraphrases: Analysing Semantic Similarity With Antonyms and Negation Using the New SemAntoNeg Benchmark. In Proceedings of the Fifth BlackboxNLP Workshop on Analyzing and Interpreting Neural Networks for NLP. 2022.
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Teemu Vahtola, Eetu Sjöblom, Jörg Tiedemann, and Mathias Creutz. Modeling Noise in Paraphrase Detection. In Proceedings of the 13th Conference on Language Resources and Evaluation (LREC 2022).
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Teemu Vahtola, Mathias Creutz, Eetu Sjöblom, and Sami Itkonen. Coping with Noisy Training Data Labels in Paraphrase Detection. In Proceedings of the 2021 EMNLP Workshop W-NUT : The Seventh Workshop on Noisy User-generated Text.
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Eetu Sjöblom, Mathias Creutz, Teemu Vahtola. Grammatical Error Generation Based on Translated Fragments. In Proceedings of the 23rd Nordic Conference on Computational Linguistics (NoDaLiDa) 2021.
Talks
- Probing Language Models for Paraphrastic Representations of Negation and Antonymy, Cambridge Language Technology Lab, Cambridge. 18.05.2023.
Courses
- Lisbon Machine Learning Summer School. 2021. Online.
Contact
You can contact me by email teemu.vahtola@helsinki.fi