Papers by Lefteris Loukas
FiNER: Financial Numeric Entity Recognition for XBRL Tagging (2022.acl-long)
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Lefteris Loukas, Manos Fergadiotis, Ilias Chalkidis, Eirini Spyropoulou, Prodromos Malakasiotis, Ion Androutsopoulos, Georgios Paliouras
| Challenge: | Publicly traded companies are required to submit periodic reports with eXtensive Business Reporting Language (XBRL) word-level tags. |
| Approach: | They propose to use XBRL tagging as a new entity extraction task for the financial domain and release FiNER-139, a dataset of 1.1M sentences with gold X brl tags. |
| Outcome: | The proposed solution replaces numeric expressions with pseudo-tokens reflecting original token shapes and numeric magnitudes. |
GR-NLP-TOOLKIT: An Open-Source NLP Toolkit for Modern Greek (2025.coling-demos)
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Lefteris Loukas, Nikolaos Smyrnioudis, Chrysa Dikonomaki, Spiros Barbakos, Anastasios Toumazatos, John Koutsikakis, Manolis Kyriakakis, Mary Georgiou, Stavros Vassos, John Pavlopoulos, Ion Androutsopoulos
| Challenge: | GR-NLP-TOOLKIT is an open-source natural language processing toolkit for modern Greek. |
| Approach: | They present GR-NLP-TOOLKIT, an open-source natural language processing toolkit for Greek. |
| Outcome: | The toolkit provides state-of-the-art performance in five core NLP tasks . it can be easily installed in Python and is accessible through a demonstration platform on HuggingFace . |