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Showing 1-20 of 23 results
  1. Article
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    Mind the gap: from plausible to valid self-explanations in large language models

    This paper investigates the reliability of explanations generated by large language models (LLMs) when prompted to explain their previous output. We...

    Korbinian Randl, John Pavlopoulos, ... Tony Lindgren in Machine Learning
    27 August 2025 Open access
  2. Article
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    Contextualizing ancient texts with generative neural networks

    Human history is born in writing. Inscriptions are among the earliest written forms, and offer direct insights into the thought, language and history...

    Yannis Assael, Thea Sommerschield, ... Shakir Mohamed in Nature
    23 July 2025 Open access
  3. Conference paper

    Revisiting Silhouette Aggregation

    Silhouette coefficient is an established internal clustering evaluation measure that produces a score per data point, assessing the quality of its...
    John Pavlopoulos, Georgios Vardakas, Aristidis Likas in Discovery Science
    2025
  4. Conference paper

    Evaluating the Reliability of Self-explanations in Large Language Models

    This paper investigates the reliability of explanations generated by large language models (LLMs) when prompted to explain their previous output. We...
    Korbinian Randl, John Pavlopoulos, ... Tony Lindgren in Discovery Science
    2025
  5. Article
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    Explainable dating of greek papyri images

    Greek literary papyri, which are unique witnesses of antique literature, do not usually bear a date. They are thus currently dated based on...

    John Pavlopoulos, Maria Konstantinidou, ... Aristidis Likas in Machine Learning
    11 July 2024 Open access
  6. Conference paper

    A New Framework for Error Analysis in Computational Paleographic Dating of Greek Papyri

    The study of Greek papyri from ancient Egypt is fundamental for understanding Graeco-Roman Antiquity, offering insights into various aspects of...
    Giuseppe De Gregorio, Lavinia Ferretti, ... John Pavlopoulos in Document Analysis and Recognition – ICDAR 2024 Workshops
    2024
  7. Article
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    Automotive fault nowcasting with machine learning and natural language processing

    Automated fault diagnosis can facilitate diagnostics assistance, speedier troubleshooting, and better-organised logistics. Currently, most AI-based...

    John Pavlopoulos, Alv Romell, ... Korbinian Randl in Machine Learning
    02 October 2023 Open access
  8. Article
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    Fraud detection with natural language processing

    Automated fraud detection can assist organisations to safeguard user accounts, a task that is very challenging due to the great sparsity of known...

    Petros Boulieris, John Pavlopoulos, ... Vasilis Vassalos in Machine Learning
    19 July 2023 Open access
  9. Conference paper

    Explaining the Chronological Attribution of Greek Papyri Images

    Greek literary papyri, which are unique witnesses of antique literature, do not usually bear a date. They are thus currently dated based on...
    John Pavlopoulos, Maria Konstantinidou, ... Holger Essler in Discovery Science
    2023
  10. Conference paper

    Leveraging the Spatiotemporal Analysis of Meisho-e Landscapes

    Japanese early-modern woodblock prints depicting pastoral views of the countryside, so-called meisho-e (images of famous places), are often defined...
    Konstantina Liagkou, John Pavlopoulos, Ewa Machotka in Discovery Science
    2023
  11. Conference paper

    Greek Literary Papyri Dating Benchmark

    Dating papyri accurately is crucial not only to editing their texts but also for our understanding of palaeography and the history of writing,...
    Asimina Paparrigopoulou, Vasiliki Kougia, ... John Pavlopoulos in Document Analysis and Recognition – ICDAR 2023 Workshops
    2023
  12. Article
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    Distance from Unimodality for the Assessment of Opinion Polarization

    Commonsense knowledge is often approximated by the fraction of annotators who classified an item as belonging to the positive class. Instances for...

    John Pavlopoulos, Aristidis Likas in Cognitive Computation
    29 December 2022 Open access
  13. Article
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    Computational authorship analysis of the homeric poems

    Natural language modeling is used to predict or generate the next word or character of modern languages. Furthermore, statistical character-based...

    John Pavlopoulos, Maria Konstantinidou in International Journal of Digital Humanities
    12 July 2022 Open access
  14. Article
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    Diagnostic captioning: a survey

    Diagnostic captioning (DC) concerns the automatic generation of a diagnostic text from a set of medical images of a patient collected during an...

    John Pavlopoulos, Vasiliki Kougia, ... Dimitris Papamichail in Knowledge and Information Systems
    16 June 2022 Open access
  15. Article
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    Restoring and attributing ancient texts using deep neural networks

    Ancient history relies on disciplines such as epigraphy—the study of inscribed texts known as inscriptions—for evidence of the thought, language,...

    Yannis Assael, Thea Sommerschield, ... Nando de Freitas in Nature
    09 March 2022 Open access
  16. Conference paper

    Sentiment Nowcasting During the COVID-19 Pandemic

    In response to the COVID-19 pandemic, governments around the world are taking a wide range of measures. Previous research on COVID-19 has focused on...
    Ioanna Miliou, John Pavlopoulos, Panagiotis Papapetrou in Discovery Science
    2021
  17. Conference paper

    Customized Neural Predictive Medical Text: A Use-Case on Caregivers

    Predictive text can speed up authoring of everyday tasks, such as writing an SMS or a URL. When deployed in a clinical setting, it can enable...
    John Pavlopoulos, Panagiotis Papapetrou in Artificial Intelligence in Medicine
    2021
  18. Conference paper

    Automated Grading of Exam Responses: An Extensive Classification Benchmark

    Automated grading of free-text exam responses is a very challenging task due to the complex nature of the problem, such as lack of training data and...
    Jimmy Ljungman, Vanessa Lislevand, ... Uno Fors in Discovery Science
    2021
  19. Conference paper

    Medical Image Tagging by Deep Learning and Retrieval

    Radiologists and other qualified physicians need to examine and interpret large numbers of medical images daily. Systems that would help them spot...
    Vasiliki Kougia, John Pavlopoulos, Ion Androutsopoulos in Experimental IR Meets Multilinguality, Multimodality, and Interaction
    2020
  20. Article
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    An overview of the BIOASQ large-scale biomedical semantic indexing and question answering competition

    Background

    This article provides an overview of the first BioASQchallenge, a competition on large-scale biomedical semantic indexing and question...

    George Tsatsaronis, Georgios Balikas, ... Georgios Paliouras in BMC Bioinformatics
    30 April 2015 Open access
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