My expertise is in Artificial Intelligence, especially Natural Language Processing. My current research interests include the following topics:

question answering, especially for biomedical document collections,
natural language generation from structured data, and more recently from medical images,
text classification, including filtering abusive content,
information extraction and opinion mining, including legal text analytics and sentiment analysis,
natural language processing tools for Greek,
machine learning in natural language processing, especially deep learning,
natural language processing in digital curation.

I co-organized the 3rd Workshop on Natural Legal Language Processing (NLLP 2021) at EMNLP 2021, the SemEval Toxic Spans Detection task (2021), the 11th EETN (Greek) Conference on Artificial Intelligence (SETN 2020), the 2nd Workshop on Natural Legal Language Processing (NLLP 2020) at KDD 2020, the 1st Athens Natural Language Processing Summer School (AthNLP 2019), the EACL 2009 conference in Athens, the Large Scale Hierarchical Text Classification challenges (LSHTC3 was the ECML/PKDD 2012 Discovery Challenge), the BioASQ challenges, and the SemEval Aspect-Based Sentiment Analysis task (2014, 2015, 2016).