Papers by Filippos Stamatiou
Defining Knowledge: Bridging Epistemology and Large Language Models (2024.emnlp-main)
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| Challenge: | Existing literature on large language models (LLMs) define knowledge as a fact if it correctly completes a cloze sentence . but the predictions of semantically equivalent clozing sentences are inconsistent . |
| Approach: | They review standard definitions of knowledge in epistemology and formalize interpretations applicable to LLMs. |
| Outcome: | The authors compare the preferences of philosophers and computer scientists in terms of knowledge definitions and evaluation protocols for testing knowledge in accordance with the most relevant definitions. |
Ethical Concern Identification in NLP: A Corpus of ACL Anthology Ethics Statements (2025.naacl-long)
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Antonia Karamolegkou, Sandrine Schiller Hansen, Ariadni Christopoulou, Filippos Stamatiou, Anne Lauscher, Anders Søgaard
| Challenge: | a survey shows that laypeople express different ethical concerns than professionals . acl-code-ethics provides a taxonomy for ethical concerns . |
| Approach: | They propose to annotate a corpus of ethical concern statements from scientific papers . they extract ethical concern keywords from the statements and automate the process . |
| Outcome: | The proposed corpus of ethical concern statements compares with existing taxonomies and guidelines pointing to gaps and actionable insights. |