Creating and sharing knowledge for telecommunications
... Chrysoula Zerva

Researcher

Chrysoula Zerva

Academic position: Assistant Professor
Joining date: 16-02-2021
Roles in IT: Researcher
Thematic Line: Information and Data Sciences
Group: Pattern and Image Analysis – Lx

Email: Send Email
Address: IT – Lisboa
Instituto Superior Técnico - Torre Norte - Piso 10
Av. Rovisco Pais, 1
1049 - 001 Lisboa
Tel: +351 21 841 84 54
Fax: +351 21 841 84 72



Scientific Achievements

  • PhD, The University of Manchester, 08-01-2019
As Supervisor
As Co-supervisor
As Supervisor
  • C Zerva, A. Martins, Conformalizing Machine Translation Evaluation, Transactions of the Association for Computational Linguistics, Vol. 12, No., pp. 1460 - 1478, November, 2024,
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  • M. Campos, A. F. Farinhas, C Zerva, M. A. T. Figueiredo, A. Martins, Conformal Prediction for Natural Language Processing: A Survey, Transactions of the Association for Computational Linguistics, Vol. 12, No., pp. 1497 - 1516, July, 2024,
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  • G. Gomes, B. Martins, C Zerva, Evaluation of Multilingual Image Captioning: How far can we get with CLIP models?, Annual Conference of the North American Chapter of the Association for Computational Linguistics NAACL, Albuquerque, New Mexico, United States, Vol., pp. -, April, 2025,
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  • J. Mire, Z. Aysola, D. Chechelnitsky, N. Deas, C Zerva, M. Sap, Rejected Dialects: Biases Against African American Language in Reward Models, Annual Conference of the North American Chapter of the Association for Computational Linguistics NAACL, Albuquerque, New Mexico, United States, April, 2025,
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  • C Zerva, F. Blain, J. G. Sousa, D. Kanojia, S. Deoghar, N. Guerreiro, G. A. Attanasio, R. Rei, C. Orasan, M. Negri, M. Turchi, R. Chatterjee, P. Bhattacharyya, M. Freitag, A. Martins, Findings of the Quality Estimation Shared Task at WMT 2024 Are LLMs Closing the Gap in QE?, Conference on Machine Translation WMT, Miami, United States, Vol., pp. -, November, 2024,
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  • M. Freitag, N. Mathur, D. Deutsch, C. Lo, E. Avramidis, R. Rei, B. Thompson, T. Kocmi, F. Blain, J. Wang, D. Adelani, M. Buchicchio, C Zerva, A. Lavie, Are LLMs breaking MT metrics? results of the WMT24 metrics shared task, Conference on Machine Translation WMT, Miami, United States, Vol., pp. -, November, 2024,
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  • K. Thomas, G. F. Filandrianos, M. Lymperaiou, C Zerva, G. Stamou, ”I Never Said That”: A dataset, taxonomy and baselines on response clarity classification, Empirical Methods in Language Processing - EMNLP, Miami, United States, Vol., pp. -, November, 2024,
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  • A. F. Farinhas, D. Ulmer, C Zerva, A. Martins, Non-Exchangeable Conformal Risk Control, International Conference on Learning Representations ICLR, Vienna, Austria, Vol., pp. -, May, 2024,
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  • D. Ulmer, C Zerva, A. Martins, Non-Exchangeable Conformal Language Generation with Nearest Neighbors, EACL: Conference of the European Chapter of the Association for Computational Linguistics EACL, Valetta, Malta, Vol., pp. -, March, 2024,
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  • F. Blain, C Zerva, R. Rei, N. Guerreiro, D. Kanojia, J. G. Sousa, B. Silva, T. Vaz, Y. Jinxuan, F. Azadi, C. Orasan, A. Martins, Findings of the WMT 2023 Shared Task on Quality Estimation, Conference on Machine Translation WMT, Singapore, Singapore, Vol., pp. -, December, 2023,
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  • M. Freitag, N. Mathur, C. Lo, E. Avramidis, R. Rei, B. Thompson, T. Kocmi, F. Blain, D. Deutsch, C. Stuart, C Zerva, S. Castilho, A. Lavie, G. Foster, Results of WMT23 Metrics Shared Task: Metrics might be Guilty but References are not Innocent, Conference on Machine Translation WMT, Singapore, Singapore, December, 2023 | BibTex
  • S. Honda, P. Fernandes, C Zerva, Context-aware Neural Machine Translation for English-Japanese Business Scene Dialogues, Machine Translation Summit MT Summit, Macau, China, Vol., pp. -, September, 2023,
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  • G. F. Filandrianos, E. D. Dervakos, O. Menis-Mastromichalakis, C Zerva, G. Stamou, Counterfactuals of Counterfactuals: a back-translation-inspired approach to analyse counterfactual editors, Annual Meeting of the Association for Computational Linguistics - ACL, Toronto, Canada, Vol., pp. -, July, 2023,
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  • T. Glushkova, C Zerva, A. Martins, BLEU Meets COMET: Combining Lexical and Neural Metrics Towards Robust Machine Translation Evaluation, Conference of the European Association for Machine Translation, Tampere, Finland, June, 2023,
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  • C Zerva, T. Glushkova, R. Rei, A. Martins, Disentangling Uncertainty in Machine Translation Evaluation, Empirical Methods in Language Processing - EMNLP, Abu Dhabi, United Arab Emirates, Vol., pp. -, December, 2022,
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  • R. Rei, M. V. T. Treviso, C Zerva, N. Guerreiro, A. C. Farinha, C. M. Maroti, J.M. Sousa, T. Glushkova, D. M. A. Alves, A. Lavie, L. C. Coheur, A. Martins, CometKiwi: IST-Unbabel 2022 Submission for the Quality Estimation Shared Task, Conference on Machine Translation WMT, Abu Dhabi, United Arab Emirates, Vol., pp. -, December, 2022,
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  • R. Rei, J. G. Sousa, D. M. A. Alves, C Zerva, A. C. Farinha, T. Glushkova, A. Lavie, L. C. Coheur, A. Martins, COMET-22: Unbabel-IST 2022 submission for the metrics shared task, Conference on Machine Translation WMT, Abu Dhabi, United Arab Emirates, Vol., pp. -, December, 2022,
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  • C Zerva, F. Blain, R. Rei, P. Lertvittayakumjorn, J. G. Sousa, S. Eger, D. Kanojia, D. A. Alves, C. Orasan, M. Fomicheva, A. Martins, L. Specia, Findings of the wmt 2022 shared task on quality estimation, Conference on Machine Translation WMT, Abu Dhabi, United Arab Emirates, Vol., pp. -, December, 2022,
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  • M. Fomicheva, S. Sun, E.F. Fonseca, C Zerva, F. Blain, V. Chaudhary, F. G. Guzmán, N. L. Lopatina, L. Specia, A. Martins, MLQE-PE: A Multilingual Quality Estimation and Post-Editing Dataset, European Language Resources Association (ELRA) International Conference on Language Resources and Evaluation - LREC, Marseille, France, Vol., pp. -, June, 2022,
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  • J. V. Vasilakes, C Zerva, M. M. Miwa, S. A. Ananiadou, Learning Disentangled Representations of Negation and Uncertainty, Annual Meeting of the Association for Computational Linguistics - ACL, Dublin, Ireland, Vol., pp. -, May, 2022,
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  • T. Glushkova, C Zerva, R. Rei, A. Martins, Uncertainty-Aware Machine Translation Evaluation, Empirical Methods in Language Processing - EMNLP, Punta Cana, Dominican Republic, November, 2021,
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  • C Zerva, D. Stigt, R. Rei, A. C. Farinha, P. G. Ramos, J. G. de Souza, T. Glushkova, M. Vera, F. Kepler, A. Martins, IST-Unbabel 2021 Submission for the Quality Estimation Shared Task, Conference on Machine Translation WMT, Conference online, November, 2021,
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  • R. Rei, A. C. Farinha, C Zerva, D. Stigt, C. Stuart, P. G. Ramos, T. Glushkova, A. Martins, A. Lavie, Are References Really Needed? Unbabel-IST 2021 Submission for the Metrics Shared Task, Conference on Machine Translation WMT, Conference online, November, 2021,
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  • L. Specia, F. Blain, M. Fomicheva, C Zerva, Z. Li, V. Chaudhary, A. Martins, Findings of the WMT 2021 Shared Task on Quality Estimation, Conference on Machine Translation WMT, Conference online, November, 2021,
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    | Full text (PDF 1 MB) | BibTex

Currently running projects3

Acronym Name Funding Agency Start date Ending date
NextGenAI NextGenAI - Center for Responsible AI IAPMEI 01-10-2021 31-12-2025
OptiGov OptiGov: Leveraging AI for Process Efficiency in Public Administration FCT 01-02-2025 31-01-2026
UTTER Unified Transcription and Translation for Extended Reality EU 01-10-2022 30-09-2025

Closed Projects1

Acronym Name Funding Agency Start date Ending date
DeepSPIN DeepSPIN EU/H2020 01-02-2018 01-02-2023

Activities from this researcher fall under the following United Nations Strategic Development Goals (SDGs):