6 papers
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…
To Facilitate or not to Facilitate: Human and LLM Facilitator Tendencies in Online Discussions
Dimitris Tsirmpas, Katerina Korre, John Pavlopoulos
Automating facilitation in online discussions is a long-standing social concern given the increasing time we spend on online spaces and the failure of content moderation approaches…
Designing Synthetic Discussion Generation Systems: A Case Study for Online Facilitation
Dimitris Tsirmpas, Ion Androutsopoulos, John Pavlopoulos
A critical challenge in social science research is the high cost associated with experiments involving human participants. We identify Synthetic Discussion Generation (SDG), a nove…
Learning to Align: Addressing Character Frequency Distribution Shifts in Handwritten Text Recognition
Panagiotis Kaliosis, John Pavlopoulos
Handwritten text recognition aims to convert visual input into machine-readable text, and it remains challenging due to the evolving and context-dependent nature of handwriting. Ch…
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…
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…