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cs.CL2026
Are we chasing ghosts? Quantifying unattributable polarization, and attributing the rest to annotator groups
Dimitris Tsirmpas, John Pavlopoulos
Standard agreement metrics often fail to capture systematic differences in opinion between minority and majority-group annotators, jeopardizing tasks such as hate speech and toxici…
cs.CL2025
Evaluation and Facilitation of Online Discussions in the LLM Era: A Survey
Katerina Korre, Dimitris Tsirmpas, Nikos Gkoumas +5
We present a survey of methods for assessing and enhancing the quality of online discussions, focusing on the potential of LLMs. While online discourses aim, at least in theory, to…
cs.CL2024
GR-NLP-TOOLKIT: An Open-Source NLP Toolkit for Modern Greek
Lefteris Loukas, Nikolaos Smyrnioudis, Chrysa Dikonomaki +8
We present GR-NLP-TOOLKIT, an open-source natural language processing (NLP) toolkit developed specifically for modern Greek. The toolkit provides state-of-the-art performance in fi…