RAG-E: Quantifying Retriever-Generator Alignment and Failure Modes.

John Pavlopoulos https://orcid.org/0000-0001-9188-7425 https://www.wikidata.org/entity/Q131913040

Korbinian Randl Guido Rocchietti Aron Henriksson Ziawasch Abedjan Tony Lindgren John Pavlopoulos RAG-E: Quantifying Retriever-Generator Alignment and Failure Modes. 2026 January abs/2601.21803 CoRR https://doi.org/10.48550/arXiv.2601.21803 db/journals/corr/corr2601.html#abs-2601-21803 streams/journals/corr

Dimitris Tsirmpas John Pavlopoulos Quantifying and Attributing Polarization to Annotator Groups. 2026 February abs/2602.06055 CoRR https://doi.org/10.48550/arXiv.2602.06055 db/journals/corr/corr2602.html#abs-2602-06055 streams/journals/corr

Aggelos Semoglou John Pavlopoulos Assigning Confidence: K-partition Ensembles. 2026 February abs/2602.18435 CoRR https://doi.org/10.48550/arXiv.2602.18435 db/journals/corr/corr2602.html#abs-2602-18435 streams/journals/corr

Aggelos Semoglou Aristidis Likas John Pavlopoulos Composite Silhouette: A Subsampling-based Aggregation Strategy. 2026 April abs/2604.13816 CoRR https://doi.org/10.48550/arXiv.2604.13816 db/journals/corr/corr2604.html#abs-2604-13816 streams/journals/corr

John Pavlopoulos Spyros Barbakos Lavinia Ferretti Dionysis Voulgarakis Asimina Paparrigopoulou Maria Konstantinidou Giuseppe De Gregorio Isabelle Marthot-Santaniello Paraskevi Platanou Holger Essler Learning Diachronic Representations of Ancient Greek Letterforms. 2026 June abs/2606.24984 CoRR https://doi.org/10.48550/arXiv.2606.24984 db/journals/corr/corr2606.html#abs-2606-24984 streams/journals/corr

Ioannis Tzachristas John Pavlopoulos Aristotelian Virtue Profiling of LLMs through Ethical Dilemmas. 2026 June abs/2606.28683 CoRR https://doi.org/10.48550/arXiv.2606.28683 db/journals/corr/corr2606.html#abs-2606-28683 streams/journals/corr

Dimitris Tsirmpas Katerina Korre John Pavlopoulos To Facilitate or not to Facilitate: Human and LLM Facilitator Tendencies in Online Discussions. 2026 July abs/2607.28643 CoRR https://doi.org/10.48550/arXiv.2607.28643 db/journals/corr/corr2607.html#abs-2607-28643 streams/journals/corr

Korbinian Randl John Pavlopoulos Aron Henriksson Tony Lindgren Mind the gap: from plausible to valid self-explanations in large language models. 220 2025 October 114 Mach. Learn. 10 https://doi.org/10.1007/s10994-025-06838-6 db/journals/ml/ml114.html#RandlPHL25 streams/journals/ml

Yannis M. Assael Thea Sommerschield Alison Cooley Brendan Shillingford John Pavlopoulos Priyanka Suresh Bailey Herms Justin Grayston Benjamin Maynard Nicholas Dietrich Robbe Wulgaert Jonathan Prag Alex Mullen Shakir Mohamed Contextualizing ancient texts with generative neural networks. 141-147 2025 September 645 Nat. 8079 https://doi.org/10.1038/s41586-025-09292-5 https://www.wikidata.org/entity/Q135493954 db/journals/nature/nature645.html#AssaelSCSPSHGMDWPMM25 streams/journals/nature

Juli Bakagianni Kanella Pouli Maria Gavriilidou John Pavlopoulos A systematic survey of natural language processing for the Greek language. 101313 2025 6 Patterns 11 https://doi.org/10.1016/j.patter.2025.101313 db/journals/patterns/patterns6.html#BakagianniPGP25 streams/journals/patterns

Antonios Dimakis John Pavlopoulos Antonios Anastasopoulos Dialect Normalization using Large Language Models and Morphological Rules. 23696-23714 2025 ACL (Findings) https://doi.org/10.18653/v1/2025.findings-acl.1215 https://aclanthology.org/2025.findings-acl.1215/ conf/acl/2025f db/conf/acl/acl2025f.html#DimakisPA25 Juli Bakagianni Kalliopi V. Dalakleidi Konstantinos Stamatis John Pavlopoulos DiaShift: An Explainable System for Temporal Diagnostic Shift Detection in Clinical Notes. 341-345 2025 BIBE https://doi.org/10.1109/BIBE66822.2025.00063 conf/bibe/2025 db/conf/bibe/bibe2025.html#BakagianniDSP25 streams/conf/bibe Maria Boumpi Kalliopi V. Dalakleidi John Pavlopoulos From Pen to Prediction: Handwriting-Based Alzheimer's Detection. 671-675 2025 BIBE https://doi.org/10.1109/BIBE66822.2025.00116 conf/bibe/2025 db/conf/bibe/bibe2025.html#BoumpiDP25 streams/conf/bibe Anna Chatzipapadopoulou Ippokratis Pantelidis Foivos Charalampakos Marina Samprovalaki Georgios Moschovis Panagiotis Kaliosis Kalliopi V. Dalakleidi John Pavlopoulos Ion Androutsopoulos AUEB NLP Group at ImageCLEFmedical Caption 2025. 2391-2414 2025 CLEF (Working Notes) https://ceur-ws.org/Vol-4038/paper_186.pdf conf/clef/2025w db/conf/clef/clef2025w.html#ChatzipapadopoulouPCSMK25 streams/conf/clef Lefteris Loukas Nikolaos Smyrnioudis Chrysa Dikonomaki Spyros Barbakos Anastasios Toumazatos John Koutsikakis Manolis Kyriakakis Mary Georgiou Stavros Vassos John Pavlopoulos Ion Androutsopoulos GR-NLP-TOOLKIT: An Open-Source NLP Toolkit for Modern Greek. 174-182 2025 COLING (Demonstrations) https://aclanthology.org/2025.coling-demos.17/ conf/coling/2025d db/conf/coling/coling2025d.html#LoukasSDBTKKGVP25 Juli Bakagianni Korbinian Randl Guido Rocchietti Cosimo Rulli Franco Maria Nardini Salvatore Trani Aron Henriksson Anna Romanova John Pavlopoulos FoodSafeSum: Enabling Natural Language Processing Applications for Food Safety Document Summarization and Analysis. EMNLP (Findings) 2025 16786-16804 conf/emnlp/2025f https://doi.org/10.18653/v1/2025.findings-emnlp.911 https://aclanthology.org/2025.findings-emnlp.911/ db/conf/emnlp/emnlp2025f.html#BakagianniRRRNTHRP25 streams/conf/emnlp Panagiotis Kaliosis John Pavlopoulos Learning to Align: Addressing Character Frequency Distribution Shifts in Handwritten Text Recognition. EMNLP (Findings) 2025 18667-18684 conf/emnlp/2025f https://doi.org/10.18653/v1/2025.findings-emnlp.1014 https://aclanthology.org/2025.findings-emnlp.1014/ db/conf/emnlp/emnlp2025f.html#KaliosisP25 streams/conf/emnlp Katerina Korre Dimitris Tsirmpas Nikos Gkoumas Emma Cabalé Danai Myrtzani Theodoros Evgeniou Ion Androutsopoulos John Pavlopoulos Evaluation and Facilitation of Online Discussions in the LLM Era: A Survey. 24443-24462 2025 EMNLP https://doi.org/10.18653/v1/2025.emnlp-main.1243 conf/emnlp/2025 db/conf/emnlp/emnlp2025.html#KorreTGCMEAP25 streams/conf/emnlp Konstantinos Eleftheriou Panos Louridas John Pavlopoulos KostasThesis2025 at SemEval-2025 Task 10 Subtask 2: A Continual Learning Approach to Propaganda Analysis in Online News. SemEval@ACL 2025 899-908 conf/semeval/2025 https://aclanthology.org/2025.semeval-1.122/ db/conf/semeval/semeval2025.html#EleftheriouLP25 streams/conf/semeval Korbinian Randl John Pavlopoulos Aron Henriksson Tony Lindgren Juli Bakagianni SemEval-2025 Task 9: The Food Hazard Detection Challenge. SemEval@ACL 2025 2523-2534 conf/semeval/2025 https://aclanthology.org/2025.semeval-1.325/ db/conf/semeval/semeval2025.html#RandlPHLB25 streams/conf/semeval Juli Bakagianni Korbinian Randl Guido Rocchietti Cosimo Rulli Franco Maria Nardini Aron Henriksson Salvatore Trani Anna Romanova Mariano Garcia John Pavlopoulos FoodSafeSum. Zenodo 2025 September https://doi.org/10.5281/zenodo.17140845 streams/repo/zenodo

John Pavlopoulos Juli Bakagianni Kanella Pouli Maria Gavriilidou Open or Closed LLM for Lesser-Resourced Languages? Lessons from Greek. 2025 January abs/2501.12826 CoRR https://doi.org/10.48550/arXiv.2501.12826 db/journals/corr/corr2501.html#abs-2501-12826 streams/journals/corr

Katerina Korre Dimitris Tsirmpas Nikos Gkoumas Emma Cabalé Dionysis Kontarinis Danai Myrtzani Theodoros Evgeniou Ion Androutsopoulos John Pavlopoulos Evaluation and Facilitation of Online Discussions in the LLM Era: A Survey. 2025 March abs/2503.01513 CoRR https://doi.org/10.48550/arXiv.2503.01513 db/journals/corr/corr2503.html#abs-2503-01513 streams/journals/corr

Dimitris Tsirmpas Ion Androutsopoulos John Pavlopoulos Scalable Evaluation of Online Moderation Strategies via Synthetic Simulations. 2025 March abs/2503.16505 CoRR https://doi.org/10.48550/arXiv.2503.16505 db/journals/corr/corr2503.html#abs-2503-16505 streams/journals/corr

Korbinian Randl John Pavlopoulos Aron Henriksson Tony Lindgren Juli Bakagianni SemEval-2025 Task 9: The Food Hazard Detection Challenge. 2025 March abs/2503.19800 CoRR https://doi.org/10.48550/arXiv.2503.19800 db/journals/corr/corr2503.html#abs-2503-19800 streams/journals/corr

Antonios Dimakis John Pavlopoulos Antonios Anastasopoulos Dialect Normalization using Large Language Models and Morphological Rules. 2025 June abs/2506.08907 CoRR https://doi.org/10.48550/arXiv.2506.08907 db/journals/corr/corr2506.html#abs-2506-08907 streams/journals/corr

Panagiotis Kaliosis John Pavlopoulos Learning to Align: Addressing Character Frequency Distribution Shifts in Handwritten Text Recognition. 2025 June abs/2506.09846 CoRR https://doi.org/10.48550/arXiv.2506.09846 db/journals/corr/corr2506.html#abs-2506-09846 streams/journals/corr

Aggelos Semoglou Aristidis Likas John Pavlopoulos Silhouette-Guided Instance-Weighted k-means. 2025 June abs/2506.12878 CoRR https://doi.org/10.48550/arXiv.2506.12878 db/journals/corr/corr2506.html#abs-2506-12878 streams/journals/corr

Juli Bakagianni John Pavlopoulos Aristidis Likas TopClustRAG at SIGIR 2025 LiveRAG Challenge. 2025 June abs/2506.15246 CoRR https://doi.org/10.48550/arXiv.2506.15246 db/journals/corr/corr2506.html#abs-2506-15246 streams/journals/corr

Katerina Korre John Pavlopoulos Are Proverbs the New Pythian Oracles? Exploring Sentiment in Greek Sayings. 2025 October abs/2510.13341 CoRR https://doi.org/10.48550/arXiv.2510.13341 db/journals/corr/corr2510.html#abs-2510-13341 streams/journals/corr

Epameinondas-Konstantinos Barmpounis John Pavlopoulos Panos Louridas Dritsa Konstantina Recognition and Analysis of the Proceedings of the Greek Parliament after WWII. 2024 18 Digit. Humanit. Q. 1 http://www.digitalhumanities.org/dhq/vol/18/1/000736/000736.html db/journals/dhq/dhq18.html#BarmpounisPLK24

John Pavlopoulos Alv Romell Jacob Curman Olof Steinert Tony Lindgren Markus Borg Korbinian Randl Automotive fault nowcasting with machine learning and natural language processing. 843-861 2024 February 113 Mach. Learn. 2 https://doi.org/10.1007/s10994-023-06398-7 db/journals/ml/ml113.html#PavlopoulosRCSLBR24

Petros Boulieris John Pavlopoulos Alexandros Xenos Vasilis Vassalos Fraud detection with natural language processing. 5087-5108 2024 July 113 Mach. Learn. 8 https://doi.org/10.1007/s10994-023-06354-5 db/journals/ml/ml113.html#BoulierisPXV24 streams/journals/ml

John Pavlopoulos Maria Konstantinidou Elpida Perdiki Isabelle Marthot-Santaniello Holger Essler Georgios Vardakas Aristidis Likas Explainable dating of greek papyri images. 6765-6786 2024 September 113 Mach. Learn. 9 https://doi.org/10.1007/s10994-024-06589-w db/journals/ml/ml113.html#PavlopoulosKPMEVL24 streams/journals/ml

Panagiotis Kaliosis John Pavlopoulos Foivos Charalampakos Georgios Moschovis Ion Androutsopoulos A Data-Driven Guided Decoding Mechanism for Diagnostic Captioning. 7450-7466 2024 ACL (Findings) https://doi.org/10.18653/v1/2024.findings-acl.444 https://aclanthology.org/2024.findings-acl.444 conf/acl/2024f db/conf/acl/acl2024f.html#KaliosisPCMA24 Korbinian Randl John Pavlopoulos Aron Henriksson Tony Lindgren CICLe: Conformal In-Context Learning for Largescale Multi-Class Food Risk Classification. 7695-7715 2024 ACL (Findings) https://doi.org/10.18653/v1/2024.findings-acl.459 https://aclanthology.org/2024.findings-acl.459 conf/acl/2024f db/conf/acl/acl2024f.html#RandlPHL24 Marina Samprovalaki Anna Chatzipapadopoulou Georgios Moschovis Foivos Charalampakos Panagiotis Kaliosis John Pavlopoulos Ion Androutsopoulos AUEB NLP Group at ImageCLEFmedical Caption 2024. 1729-1745 2024 CLEF (Working Notes) https://ceur-ws.org/Vol-3740/paper-161.pdf conf/clef/2024w db/conf/clef/clef2024w.html#SamprovalakiCMC24 Davide Picca John Pavlopoulos Deciphering Emotional Landscapes in the Iliad: A Novel French-Annotated Dataset for Emotion Recognition. 4462-4467 2024 LREC/COLING https://aclanthology.org/2024.lrec-main.399 conf/coling/2024 db/conf/coling/coling2024.html#PiccaP24 John Pavlopoulos Ryan Sandell Maria Konstantinidou Chiara Bozzone HoLM: Analyzing the Linguistic Unexpectedness in Homeric Poetry. 8166-8172 2024 LREC/COLING https://aclanthology.org/2024.lrec-main.715 conf/coling/2024 db/conf/coling/coling2024.html#PavlopoulosSKB24 Anastasios Toumazatos John Pavlopoulos Ion Androutsopoulos Stavros Vassos Still All Greeklish to Me: Greeklish to Greek Transliteration. 15309-15319 2024 LREC/COLING https://aclanthology.org/2024.lrec-main.1330 conf/coling/2024 db/conf/coling/coling2024.html#ToumazatosPAV24 Korbinian Randl John Pavlopoulos Aron Henriksson Tony Lindgren Evaluating the Reliability of Self-explanations in Large Language Models. 36-51 2024 DS (1) https://doi.org/10.1007/978-3-031-78977-9_3 conf/dis/2024 db/conf/dis/dis2024.html#RandlPHL24 streams/conf/dis John Pavlopoulos Georgios Vardakas Aristidis Likas Revisiting Silhouette Aggregation. 354-368 2024 DS (1) https://doi.org/10.1007/978-3-031-78977-9_23 conf/dis/2024 db/conf/dis/dis2024.html#PavlopoulosVL24 streams/conf/dis John Pavlopoulos Aristidis Likas Polarized Opinion Detection Improves the Detection of Toxic Language. 1946-1958 2024 EACL (1) https://doi.org/10.18653/v1/2024.eacl-long.117 https://aclanthology.org/2024.eacl-long.117 conf/eacl/2024-1 db/conf/eacl/eacl2024-1.html#PavlopoulosL24 John Pavlopoulos Panos Louridas Panagiotis Filos Towards a Greek Proverb Atlas: Computational Spatial Exploration and Attribution of Greek Proverbs. 11842-11854 2024 EMNLP https://doi.org/10.18653/v1/2024.emnlp-main.661 https://aclanthology.org/2024.emnlp-main.661 conf/emnlp/2024 db/conf/emnlp/emnlp2024.html#PavlopoulosLF24 Giuseppe De Gregorio Lavinia Ferretti Rodrigo C. G. Pena Isabelle Marthot-Santaniello Maria Konstantinidou John Pavlopoulos A New Framework for Error Analysis in Computational Paleographic Dating of Greek Papyri. 102-118 2024 ICDAR (Workshops 2) https://doi.org/10.1007/978-3-031-70642-4_7 conf/icdar/2024-w2 db/conf/icdar/icdar2024-w2.html#GregorioFPMKP24 streams/conf/icdar

Georgios Vardakas John Pavlopoulos Aristidis Likas Silhouette Aggregation: From Micro to Macro. 2024 abs/2401.05831 CoRR https://doi.org/10.48550/arXiv.2401.05831 db/journals/corr/corr2401.html#abs-2401-05831

Korbinian Randl John Pavlopoulos Aron Henriksson Tony Lindgren CICLe: Conformal In-Context Learning for Largescale Multi-Class Food Risk Classification. 2024 abs/2403.11904 CoRR https://doi.org/10.48550/arXiv.2403.11904 db/journals/corr/corr2403.html#abs-2403-11904

Panagiotis Kaliosis John Pavlopoulos Foivos Charalampakos Georgios Moschovis Ion Androutsopoulos A Data-Driven Guided Decoding Mechanism for Diagnostic Captioning. 2024 abs/2406.14164 CoRR https://doi.org/10.48550/arXiv.2406.14164 db/journals/corr/corr2406.html#abs-2406-14164

Juli Bakagianni Kanella Pouli Maria Gavriilidou John Pavlopoulos Towards Systematic Monolingual NLP Surveys: GenA of Greek NLP. 2024 abs/2407.09861 CoRR https://doi.org/10.48550/arXiv.2407.09861 db/journals/corr/corr2407.html#abs-2407-09861 streams/journals/corr

Korbinian Randl John Pavlopoulos Aron Henriksson Tony Lindgren Evaluating the Reliability of Self-Explanations in Large Language Models. 2024 abs/2407.14487 CoRR https://doi.org/10.48550/arXiv.2407.14487 db/journals/corr/corr2407.html#abs-2407-14487 streams/journals/corr

Giuseppe De Gregorio Lavinia Ferretti Rodrigo C. G. Pena Isabelle Marthot-Santaniello Maria Konstantinidou John Pavlopoulos A New Framework for Error Analysis in Computational Paleographic Dating of Greek Papyri. 2024 abs/2408.07779 CoRR https://doi.org/10.48550/arXiv.2408.07779 db/journals/corr/corr2408.html#abs-2408-07779 streams/journals/corr

Konstantinos Skianis John Pavlopoulos A. Seza Dogruöz Severity Prediction in Mental Health: LLM-based Creation, Analysis, Evaluation of a Novel Multilingual Dataset. 2024 abs/2409.17397 CoRR https://doi.org/10.48550/arXiv.2409.17397 db/journals/corr/corr2409.html#abs-2409-17397 streams/journals/corr

Konstantinos Skianis A. Seza Dogruöz John Pavlopoulos Leveraging LLMs for Translating and Classifying Mental Health Data. 2024 abs/2410.12985 CoRR https://doi.org/10.48550/arXiv.2410.12985 db/journals/corr/corr2410.html#abs-2410-12985 streams/journals/corr

Katerina Korre John Pavlopoulos Paolo Gajo Alberto Barrón-Cedeño Hate Speech According to the Law: An Analysis for Effective Detection. 2024 abs/2412.06144 CoRR https://doi.org/10.48550/arXiv.2412.06144 db/journals/corr/corr2412.html#abs-2412-06144 streams/journals/corr

Lefteris Loukas Nikolaos Smyrnioudis Chrysa Dikonomaki Spyros Barbakos Anastasios Toumazatos John Koutsikakis Manolis Kyriakakis Mary Georgiou Stavros Vassos John Pavlopoulos Ion Androutsopoulos GR-NLP-TOOLKIT: An Open-Source NLP Toolkit for Modern Greek. 2024 abs/2412.08520 CoRR https://doi.org/10.48550/arXiv.2412.08520 db/journals/corr/corr2412.html#abs-2412-08520 streams/journals/corr

John Pavlopoulos Aristidis Likas Distance from Unimodality for the Assessment of Opinion Polarization. 731-738 2023 March 15 Cogn. Comput. 2 https://doi.org/10.1007/s12559-022-10088-2 db/journals/cogcom/cogcom15.html#PavlopoulosL23

Thea Sommerschield Yannis M. Assael John Pavlopoulos Vanessa Stefanak Andrew W. Senior Chris Dyer John Bodel Jonathan Prag Ion Androutsopoulos Nando de Freitas Machine Learning for Ancient Languages: A Survey. 703-747 2023 September 49 Comput. Linguistics 3 https://doi.org/10.1162/coli_a_00481 https://www.wikidata.org/entity/Q125353879 db/journals/coling/coling49.html#SommerschieldAPSSDBPAF23

John Pavlopoulos Maria Konstantinidou Isabelle Marthot-Santaniello Holger Essler Asimina Paparigopoulou Dating Greek Papyri with Text Regression. 10001-10013 2023 ACL (1) https://doi.org/10.18653/v1/2023.acl-long.556 https://aclanthology.org/2023.acl-long.556 conf/acl/2023-1 db/conf/acl/acl2023-1.html#PavlopoulosKMEP23 Panagiotis Kaliosis Georgios Moschovis Foivos Charalampakos John Pavlopoulos Ion Androutsopoulos AUEB NLP Group at ImageCLEFmedical Caption 2023. 1524-1548 2023 CLEF (Working Notes) https://ceur-ws.org/Vol-3497/paper-126.pdf conf/clef/2023w db/conf/clef/clef2023w.html#KaliosisMCPA23 Federico Boschetti Laura Chilla Maria Konstantinidou John Pavlopoulos Annotating Homeric Emotions by a Domain-Specific Language. 2023 CLiC-it https://ceur-ws.org/Vol-3596/short4.pdf conf/clic-it/2023 db/conf/clic-it/clic-it2023.html#BoschettiCKP23 John Pavlopoulos Maria Konstantinidou Georgios Vardakas Isabelle Marthot-Santaniello Elpida Perdiki Dimitris Koutsianos Aristidis Likas Holger Essler Explaining the Chronological Attribution of Greek Papyri Images. 401-415 2023 DS https://doi.org/10.1007/978-3-031-45275-8_27 conf/dis/2023 db/conf/dis/dis2023.html#PavlopoulosKVMPKLE23 Konstantina Liagkou John Pavlopoulos Ewa Machotka Leveraging the Spatiotemporal Analysis of Meisho-e Landscapes. 416-430 2023 DS https://doi.org/10.1007/978-3-031-45275-8_28 conf/dis/2023 db/conf/dis/dis2023.html#LiagkouPM23 John Pavlopoulos Vasiliki Kougia Paraskevi Platanou Holger Essler Detecting Erroneously Recognized Handwritten Byzantine Text. 7818-7828 2023 EMNLP (Findings) https://doi.org/10.18653/v1/2023.findings-emnlp.524 https://aclanthology.org/2023.findings-emnlp.524 conf/emnlp/2023f db/conf/emnlp/emnlp2023f.html#PavlopoulosKPE23 Asimina Paparrigopoulou Vasiliki Kougia Maria Konstantinidou John Pavlopoulos Greek Literary Papyri Dating Benchmark. 296-306 2023 ICDAR Workshops (1) https://doi.org/10.1007/978-3-031-41498-5_21 conf/icdar/2023w-1 db/conf/icdar/icdar2023w-1.html#PaparrigopoulouKKP23 Andrea Nanetti John Pavlopoulos Erik Cambria Sentiment Analysis of Primary Historical Sources. 767-772 2023 ICDM (Workshops) https://doi.org/10.1109/ICDMW60847.2023.00104 conf/icdm/2023w db/conf/icdm/icdm2023w.html#NanettiPC23 Jeffrey Sorensen Katerina Korre John Pavlopoulos Katrin Tomanek Nithum Thain Lucas Dixon Léo Laugier JUAGE at SemEval-2023 Task 10: Parameter Efficient Classification. 1195-1203 2023 SemEval@ACL https://doi.org/10.18653/v1/2023.semeval-1.166 https://aclanthology.org/2023.semeval-1.166 conf/semeval/2023 db/conf/semeval/semeval2023.html#SorensenKPTTDL23

Alexandros Xenos John Pavlopoulos Ion Androutsopoulos Lucas Dixon Jeffrey Sorensen Léo Laugier Toxicity detection sensitive to conversational context. 2022 27 First Monday 9 https://doi.org/10.5210/fm.v27i5.12285 db/journals/firstmonday/firstmonday27.html#XenosPADSL22

John Pavlopoulos Vasiliki Kougia Ion Androutsopoulos Dimitris Papamichail Diagnostic captioning: a survey. 1691-1722 2022 64 Knowl. Inf. Syst. 7 https://doi.org/10.1007/s10115-022-01684-7 db/journals/kais/kais64.html#PavlopoulosKAP22

Yannis M. Assael Thea Sommerschield Brendan Shillingford Mahyar Bordbar John Pavlopoulos Marita Chatzipanagiotou Ion Androutsopoulos Jonathan Prag Nando de Freitas Restoring and attributing ancient texts using deep neural networks. 280-283 2022 603 Nat. 7900 https://doi.org/10.1038/s41586-022-04448-z https://www.wikidata.org/entity/Q113505133 db/journals/nature/nature603.html#AssaelSSBPCAPF22

John Pavlopoulos Léo Laugier Alexandros Xenos Jeffrey Sorensen Ion Androutsopoulos From the Detection of Toxic Spans in Online Discussions to the Analysis of Toxic-to-Civil Transfer. 3721-3734 2022 ACL (1) https://doi.org/10.18653/v1/2022.acl-long.259 https://aclanthology.org/2022.acl-long.259 conf/acl/2022-1 db/conf/acl/acl2022-1.html#PavlopoulosLXSA22 Foivos Charalampakos Giorgos Zachariadis John Pavlopoulos Vasilis Karatzas Christoforos Trakas Ion Androutsopoulos AUEB NLP Group at ImageCLEFmed Caption 2022. 1355-1373 2022 CLEF (Working Notes) https://ceur-ws.org/Vol-3180/paper-101.pdf conf/clef/2022w db/conf/clef/clef2022w.html#CharalampakosZP22 Katerina Korre John Pavlopoulos Enriching Grammatical Error Correction Resources for Modern Greek. 4984-4991 2022 LREC https://aclanthology.org/2022.lrec-1.532 conf/lrec/2022 db/conf/lrec/lrec2022.html#KorreP22 Konstantina Liagkou John Pavlopoulos Ewa Machotka A Study of Distant Viewing of ukiyo-e prints. 5879-5888 2022 LREC https://aclanthology.org/2022.lrec-1.632 conf/lrec/2022 db/conf/lrec/lrec2022.html#LiagkouPM22 Paraskevi Platanou John Pavlopoulos Georgios Papaioannou Handwritten Paleographic Greek Text Recognition: A Century-Based Approach. 6585-6589 2022 LREC https://aclanthology.org/2022.lrec-1.708 conf/lrec/2022 db/conf/lrec/lrec2022.html#PlatanouPP22 John Pavlopoulos Alexandros Xenos Davide Picca Sentiment Analysis of Homeric Text: The 1st Book of Iliad. 7071-7077 2022 LREC https://aclanthology.org/2022.lrec-1.765 conf/lrec/2022 db/conf/lrec/lrec2022.html#PavlopoulosXP22 Christos Zonios John Pavlopoulos Aristidis Likas Transformer-Based Music Language Modelling and Transcription. 13:1-13:8 2022 SETN https://doi.org/10.1145/3549737.3549754 conf/setn/2022 db/conf/setn/setn2022.html#ZoniosPL22

John Pavlopoulos Vanessa Lislevand Analysing the Greek Parliament Records with Emotion Classification. 2022 abs/2205.12012 CoRR https://doi.org/10.48550/arXiv.2205.12012 db/journals/corr/corr2205.html#abs-2205-12012

Giorgio Ottolina John Pavlopoulos Metaphorical Paraphrase Generation: Feeding Metaphorical Language Models with Literal Texts. 2022 abs/2210.04756 CoRR https://doi.org/10.48550/arXiv.2210.04756 db/journals/corr/corr2210.html#abs-2210-04756

John Pavlopoulos Alv Romell Jacob Curman Olof Steinert Tony Lindgren Markus Borg Automotive Multilingual Fault Diagnosis. 2022 abs/2210.06918 CoRR https://doi.org/10.48550/arXiv.2210.06918 db/journals/corr/corr2210.html#abs-2210-06918

Konstantina Dritsa Kaiti Thoma John Pavlopoulos Panos Louridas A Greek Parliament Proceedings Dataset for Computational Linguistics and Political Analysis. 2022 abs/2210.12883 CoRR https://doi.org/10.48550/arXiv.2210.12883 db/journals/corr/corr2210.html#abs-2210-12883

Vasiliki Kougia John Pavlopoulos Panagiotis Papapetrou Max Gordon RTEX: A novel framework for ranking, tagging, and explanatory diagnostic captioning of radiography exams. 1651-1659 2021 28 J. Am. Medical Informatics Assoc. 8 https://doi.org/10.1093/jamia/ocab046 https://www.wikidata.org/entity/Q112690448 db/journals/jamia/jamia28.html#KougiaPPG21

John Pavlopoulos Panagiotis Papapetrou Customized Neural Predictive Medical Text: A Use-Case on Caregivers. 438-443 2021 AIME https://doi.org/10.1007/978-3-030-77211-6_52 conf/aime/2021 db/conf/aime/aime2021.html#PavlopoulosP21 Foivos Charalampakos Vasilis Karatzas Vasiliki Kougia John Pavlopoulos Ion Androutsopoulos AUEB NLP Group at ImageCLEFmed Caption Tasks 2021. 1184-1200 2021 CLEF (Working Notes) https://ceur-ws.org/Vol-2936/paper-96.pdf conf/clef/2021w db/conf/clef/clef2021w.html#CharalampakosKK21 Marita Chatzipanagiotou Ewa Machotka John Pavlopoulos Automated recognition of geographical named entities in titles of Ukiyo-e prints. 70-77 2021 DHW https://doi.org/10.1145/3526242.3526254 conf/dhw/2021 db/conf/dhw/dhw2021.html#Chatzipanagiotou21 Maria Fasoi John Pavlopoulos Maria Konstantinidou Computational Authorship Analysis of Homeric Language. 78-88 2021 DHW https://doi.org/10.1145/3526242.3526256 conf/dhw/2021 db/conf/dhw/dhw2021.html#FasoiPK21 Jimmy Ljungman Vanessa Lislevand John Pavlopoulos Alexandra Farazouli Zed Lee Panagiotis Papapetrou Uno Fors Automated Grading of Exam Responses: An Extensive Classification Benchmark. 3-18 2021 DS https://doi.org/10.1007/978-3-030-88942-5_1 conf/dis/2021 db/conf/dis/dis2021.html#LjungmanLPFLPF21 Ioanna Miliou John Pavlopoulos Panagiotis Papapetrou Sentiment Nowcasting During the COVID-19 Pandemic. 218-228 2021 DS https://doi.org/10.1007/978-3-030-88942-5_17 conf/dis/2021 db/conf/dis/dis2021.html#MiliouPP21 Léo Laugier John Pavlopoulos Jeffrey Sorensen Lucas Dixon Civil Rephrases Of Toxic Texts With Self-Supervised Transformers. 1442-1461 2021 EACL https://doi.org/10.18653/v1/2021.eacl-main.124 https://aclanthology.org/2021.eacl-main.124/ conf/eacl/2021 db/conf/eacl/eacl2021.html#LaugierPSD21 Katerina Korre Marita Chatzipanagiotou John Pavlopoulos ELERRANT: Automatic Grammatical Error Type Classification for Greek. 708-717 2021 RANLP https://aclanthology.org/2021.ranlp-1.81 conf/ranlp/2021 db/conf/ranlp/ranlp2021.html#KorreCP21 John Pavlopoulos Jeffrey Sorensen Léo Laugier Ion Androutsopoulos SemEval-2021 Task 5: Toxic Spans Detection. 59-69 2021 SemEval@ACL/IJCNLP https://doi.org/10.18653/v1/2021.semeval-1.6 https://aclanthology.org/2021.semeval-1.6 https://orkg.org/orkg/resource/R141003 conf/semeval/2021 db/conf/semeval/semeval2021.html#PavlopoulosSLA21

John Pavlopoulos Vasiliki Kougia Ion Androutsopoulos Dimitris Papamichail Diagnostic Captioning: A Survey. 2021 abs/2101.07299 CoRR https://arxiv.org/abs/2101.07299 db/journals/corr/corr2101.html#abs-2101-07299

Léo Laugier John Pavlopoulos Jeffrey Sorensen Lucas Dixon Civil Rephrases Of Toxic Texts With Self-Supervised Transformers. 2021 abs/2102.05456 CoRR https://arxiv.org/abs/2102.05456 db/journals/corr/corr2102.html#abs-2102-05456

Alexandros Xenos John Pavlopoulos Ion Androutsopoulos Lucas Dixon Jeffrey Sorensen Léo Laugier Toxicity Detection can be Sensitive to the Conversational Context. 2021 abs/2111.10223 CoRR https://arxiv.org/abs/2111.10223 db/journals/corr/corr2111.html#abs-2111-10223

John Pavlopoulos Jeffrey Sorensen Lucas Dixon Nithum Thain Ion Androutsopoulos Toxicity Detection: Does Context Really Matter? 4296-4305 2020 ACL https://doi.org/10.18653/v1/2020.acl-main.396 https://aclanthology.org/2020.acl-main.396/ conf/acl/2020 db/conf/acl/acl2020.html#PavlopoulosSDTA20 John Pavlopoulos Panagiotis Papapetrou Clinical Predictive Keyboard using Statistical and Neural Language Modeling. 293-296 2020 CBMS https://doi.org/10.1109/CBMS49503.2020.00062 conf/cbms/2020 db/conf/cbms/cbms2020.html#PavlopoulosP20 Basil Karatzas John Pavlopoulos Vasiliki Kougia Ion Androutsopoulos AUEB NLP Group at ImageCLEFmed Caption 2020. 2020 CLEF (Working Notes) https://ceur-ws.org/Vol-2696/paper_102.pdf conf/clef/2020w db/conf/clef/clef2020w.html#KaratzasPKA20 Vasiliki Kougia John Pavlopoulos Ion Androutsopoulos Medical Image Tagging by Deep Learning and Retrieval. 154-166 2020 CLEF https://doi.org/10.1007/978-3-030-58219-7_14 conf/clef/2020 db/conf/clef/clef2020.html#KougiaPA19a Katerina Korre John Pavlopoulos ERRANT: Assessing and Improving Grammatical Error Type Classification. LaTeCH@COLING 2020 2020 85-89 conf/latechclfl/2020 https://aclanthology.org/2020.latechclfl-1.10/ db/conf/latechclfl/latechclfl2020.html#KorreP20 streams/conf/latechclfl

John Pavlopoulos Jeffrey Sorensen Lucas Dixon Nithum Thain Ion Androutsopoulos Toxicity Detection: Does Context Really Matter? 2020 abs/2006.00998 CoRR https://arxiv.org/abs/2006.00998 db/journals/corr/corr2006.html#abs-2006-00998

Vasiliki Kougia John Pavlopoulos Panagiotis Papapetrou Max Gordon RTEX: A novel methodology for Ranking, Tagging, and Explanatory diagnostic captioning of radiography exams. 2020 abs/2006.06316 CoRR https://arxiv.org/abs/2006.06316 db/journals/corr/corr2006.html#abs-2006-06316

John Pavlopoulos Panagiotis Papapetrou Clinical Predictive Keyboard using Statistical and Neural Language Modeling. 2020 abs/2006.12040 CoRR https://arxiv.org/abs/2006.12040 db/journals/corr/corr2006.html#abs-2006-12040

Vasiliki Kougia John Pavlopoulos Ion Androutsopoulos AUEB NLP Group at ImageCLEFmed Caption 2019. 2019 CLEF (Working Notes) https://ceur-ws.org/Vol-2380/paper_136.pdf conf/clef/2019w db/conf/clef/clef2019w.html#KougiaPA19 John Pavlopoulos Nithum Thain Lucas Dixon Ion Androutsopoulos ConvAI at SemEval-2019 Task 6: Offensive Language Identification and Categorization with Perspective and BERT. 571-576 2019 SemEval@NAACL-HLT https://doi.org/10.18653/v1/s19-2102 https://aclanthology.org/S19-2102/ conf/semeval/2019 db/conf/semeval/semeval2019.html#PavlopoulosTDA19

Vasiliki Kougia John Pavlopoulos Ion Androutsopoulos A Survey on Biomedical Image Captioning. 2019 abs/1905.13302 CoRR http://arxiv.org/abs/1905.13302 db/journals/corr/corr1905.html#abs-1905-13302

John Pavlopoulos Prodromos Malakasiotis Ion Androutsopoulos Deep Learning for User Comment Moderation. 25-35 2017 ALW@ACL https://doi.org/10.18653/v1/w17-3004 https://aclanthology.org/W17-3004/ conf/acl-alw/2017 db/conf/acl-alw/acl-alw2017.html#PavlopoulosMA17 John Pavlopoulos Prodromos Malakasiotis Juli Bakagianni Ion Androutsopoulos Improved Abusive Comment Moderation with User Embeddings. 51-55 2017 NLPmJ@EMNLP https://doi.org/10.18653/v1/w17-4209 https://aclanthology.org/W17-4209/ conf/emnlp/2017journalism db/conf/emnlp/journalism2017.html#PavlopoulosMBA17 John Pavlopoulos Prodromos Malakasiotis Ion Androutsopoulos Deeper Attention to Abusive User Content Moderation. 1125-1135 2017 EMNLP https://doi.org/10.18653/v1/d17-1117 https://aclanthology.org/D17-1117/ conf/emnlp/2017 db/conf/emnlp/emnlp2017.html#PavlopoulosMA17

John Pavlopoulos Prodromos Malakasiotis Ion Androutsopoulos Deep Learning for User Comment Moderation. 2017 abs/1705.09993 CoRR http://arxiv.org/abs/1705.09993 db/journals/corr/corr1705.html#PavlopoulosMA17

John Pavlopoulos Prodromos Malakasiotis Juli Bakagianni Ion Androutsopoulos Improved Abusive Comment Moderation with User Embeddings. 2017 abs/1708.03699 CoRR http://arxiv.org/abs/1708.03699 db/journals/corr/corr1708.html#abs-1708-03699

Stavros Giorgis Apostolos Rousas John Pavlopoulos Prodromos Malakasiotis Ion Androutsopoulos aueb.twitter.sentiment at SemEval-2016 Task 4: A Weighted Ensemble of SVMs for Twitter Sentiment Analysis. 96-99 2016 SemEval@NAACL-HLT https://doi.org/10.18653/v1/s16-1012 https://aclanthology.org/S16-1012/ conf/semeval/2016 db/conf/semeval/semeval2016.html#GiorgisRPMA16 Dionysios Xenos Panagiotis Theodorakakos John Pavlopoulos Prodromos Malakasiotis Ion Androutsopoulos AUEB-ABSA at SemEval-2016 Task 5: Ensembles of Classifiers and Embeddings for Aspect Based Sentiment Analysis. 312-317 2016 SemEval@NAACL-HLT https://doi.org/10.18653/v1/s16-1050 https://aclanthology.org/S16-1050/ conf/semeval/2016 db/conf/semeval/semeval2016.html#XenosTPMA16

George Tsatsaronis 0001 Georgios Balikas Prodromos Malakasiotis Ioannis Partalas Matthias Zschunke Michael R. Alvers Dirk Weissenborn Anastasia Krithara Sergios Petridis Dimitris Polychronopoulos Yannis Almirantis John Pavlopoulos Nicolas Baskiotis Patrick Gallinari Thierry Artières Axel-Cyrille Ngonga Ngomo Norman Heino Éric Gaussier Liliana Barrio-Alvers Michael Schroeder 0001 Ion Androutsopoulos Georgios Paliouras An overview of the BIOASQ large-scale biomedical semantic indexing and question answering competition. 138:1-138:28 2015 16 BMC Bioinform. https://doi.org/10.1186/s12859-015-0564-6 https://www.wikidata.org/entity/Q28646342 https://orkg.org/resource/R147122 db/journals/bmcbi/bmcbi16.html#TsatsaronisBMPZ15

Panos Alexopoulos John Pavlopoulos Phivos Mylonas A Semantic Framework for Harvesting Vague Enterprise Knowledge from Microposts. 2014 23 Int. J. Artif. Intell. Tools 2 https://doi.org/10.1142/S0218213014400089 db/journals/ijait/ijait23.html#AlexopoulosPM14

Panos Alexopoulos John Pavlopoulos A Vague Sense Classifier for Detecting Vague Definitions in Ontologies. 33-37 2014 EACL https://doi.org/10.3115/v1/e14-4007 https://aclanthology.org/E14-4007/ conf/eacl/2014 db/conf/eacl/eacl2014.html#AlexopoulosP14 John Pavlopoulos Ion Androutsopoulos Multi-Granular Aspect Aggregation in Aspect-Based Sentiment Analysis. 78-87 2014 EACL https://doi.org/10.3115/v1/e14-1009 https://aclanthology.org/E14-1009/ conf/eacl/2014 db/conf/eacl/eacl2014.html#PavlopoulosA14 Maria Pontiki Dimitris Galanis John Pavlopoulos Harris Papageorgiou Ion Androutsopoulos Suresh Manandhar SemEval-2014 Task 4: Aspect Based Sentiment Analysis. 27-35 2014 SemEval@COLING https://doi.org/10.3115/v1/s14-2004 https://aclanthology.org/S14-2004/ conf/semeval/2014 db/conf/semeval/semeval2014.html#PontikiGPPAM14 Rafael-Michael Karampatsis John Pavlopoulos Prodromos Malakasiotis AUEB: Two Stage Sentiment Analysis of Social Network Messages. 114-118 2014 SemEval@COLING https://doi.org/10.3115/v1/s14-2015 https://aclanthology.org/S14-2015/ conf/semeval/2014 db/conf/semeval/semeval2014.html#KarampatsisPM14 Prodromos Malakasiotis Rafael-Michael Karampatsis Konstantina Makrynioti John Pavlopoulos nlp.cs.aueb.gr: Two Stage Sentiment Analysis. 562-567 2013 SemEval@NAACL-HLT https://aclanthology.org/S13-2094/ conf/semeval/2013 db/conf/semeval/semeval2013.html#MalakasiotisKMP13 Panos Alexopoulos John Pavlopoulos Phivos Mylonas Learning Vague Knowledge from Socially Generated Content in an Enterprise Framework. 510-519 2012 AIAI (2) https://doi.org/10.1007/978-3-642-33412-2_52 conf/ifip12/2012aiai-2 db/conf/ifip12/aiai2012-2.html#AlexopoulosPM12 Panos Alexopoulos John Pavlopoulos Manolis Wallace Konstantinos Kafentzis Exploiting ontological relations for automatic semantic tag recommendation. 105-110 2011 I-SEMANTICS https://doi.org/10.1145/2063518.2063532 conf/i-semantics/2011 db/conf/i-semantics/i-semantics2011.html#AlexopoulosPWK11 Elli Voudigari John Pavlopoulos Michalis Vazirgiannis A Framework for Web Page Rank Prediction. 240-249 2011 AIAI https://doi.org/10.1007/978-3-642-23960-1_29 conf/ifip12/2011aiai-2 db/conf/ifip12/aiai2011-2.html#VoudigariPV11 John Pavlopoulos John Vrettaros George A. Vouros Athanasios Drigas The Development of a Self-assessment System for the Learners Answers with the Use of GPNN. 332-340 2008 WSKS (1) https://doi.org/10.1007/978-3-540-87781-3_37 conf/wsks/2008 db/conf/wsks/wsks2008.html#PavlopoulosVVD08 Ziawasch Abedjan Panos Alexopoulos Yannis Almirantis Michael R. Alvers Antonios Anastasopoulos Ion Androutsopoulos Thierry Artières Yannis M. Assael Juli Bakagianni Georgios Balikas Spyros Barbakos Epameinondas-Konstantinos Barmpounis Liliana Barrio-Alvers Alberto Barrón-Cedeño Nicolas Baskiotis John Bodel Mahyar Bordbar Markus Borg Federico Boschetti Petros Boulieris Maria Boumpi Chiara Bozzone Emma Cabalé Erik Cambria Foivos Charalampakos Marita Chatzipanagiotou Anna Chatzipapadopoulou Laura Chilla Alison Cooley Jacob Curman Kalliopi DalakleidiKalliopi V. Dalakleidi Nicholas Dietrich Chrysa Dikonomaki Antonios Dimakis Lucas Dixon A. Seza Dogruöz Athanasios Drigas Konstantina Dritsa Chris Dyer Konstantinos Eleftheriou Holger Essler Theodoros Evgeniou Alexandra Farazouli Maria Fasoi Lavinia Ferretti Panagiotis Filos Uno Fors Nando de Freitas Paolo Gajo Dimitrios GalanisDimitris Galanis Patrick Gallinari Mariano Garcia Éric Gaussier Maria GavrilidouMaria Gavriilidou Mary Georgiou Stavros Giorgis Nikos Gkoumas Max Gordon Justin Grayston Giuseppe De Gregorio Norman Heino Aron Henriksson Bailey Herms Kostas KafentzisKonstantinos Kafentzis Panagiotis Kaliosis Rafael-Michael Karampatsis Basil Karatzas Vasilis Karatzas Dritsa Konstantina Maria Konstantinidou Dionysis Kontarinis Katerina Korre Vasiliki Kougia Dimitris Koutsianos John Koutsikakis Anastasia Krithara Manolis Kyriakakis Léo Laugier Zed Lee Konstantina Liagkou Aristidis Likas Tony Lindgren Vanessa Lislevand Jimmy Ljungman Lefteris Loukas Panagiotis LouridasPanos Louridas Ewa Machotka Konstantina Makrynioti Prodromos Malakasiotis Suresh Manandhar Isabelle Marthot-Santaniello Benjamin Maynard Ioanna Miliou Shakir Mohamed Georgios Moschovis Alex Mullen Phivos Mylonas Danai Myrtzani Andrea Nanetti Franco Maria Nardini Axel-Cyrille Ngonga Ngomo Giorgio Ottolina Georgios Paliouras Ippokratis Pantelidis Harris Papageorgiou Georgios Papaioannou Dimitris Papamichail Panagiotis Papapetrou Asimina Paparigopoulou Asimina Paparrigopoulou Ioannis Partalas Rodrigo C. G. Pena Elpida Perdiki Sergios Petridis Davide Picca Paraskevi Platanou Dimitris Polychronopoulos Maria Pontiki Kanella Pouli Jonathan Prag Korbinian Randl Guido Rocchietti Anna Romanova Alv Romell Apostolos Rousas Cosimo Rulli Marina Samprovalaki Ryan Sandell Michael Schroeder 0001 Aggelos Semoglou Andrew W. Senior Brendan Shillingford Konstantinos Skianis Nikolaos Smyrnioudis Thea Sommerschield Jeffrey S. SorensenJeffrey Sorensen Konstantinos Stamatis Vanessa Stefanak Olof Steinert Priyanka Suresh Nithum Thain Panagiotis Theodorakakos Kaiti Thoma Katrin Tomanek Anastasios Toumazatos Christoforos Trakas Salvatore Trani George Tsatsaronis 0001 Dimitris Tsirmpas Ioannis Tzachristas Georgios Vardakas Vasilis Vassalos Stavros Vassos Michalis Vazirgiannis Elli Voudigari Dionysis Voulgarakis George A. Vouros John Vrettaros Manolis Wallace Dirk Weissenborn Robbe Wulgaert Alexandros Xenos Dionysios Xenos Giorgos Zachariadis Christos Zonios Matthias Zschunke