Publications

Research outputs from CLLT (2022-2025)

Publication Statistics

Total Publications (2022-2026): 50+
Monographs: 4
Conference Papers: 20+
Journal Articles: 5+
Edited Volumes: 7
Book Chapters: 5

For complete bibliography and Google Scholar profile, visit Professor Chatzikyriakidis's website

2026 Publications

Dialogical Interaction, Types, and the Structure of Meaning

Gregoromichelaki, E., Chatzikyriakidis, S., Cooper, R., Sutton, P.

Type-theoretical framework for dialogue modeling and interactive semantics.

Neuro-Symbolic NLP: Taxonomy, Assessment, and Directions

Chatzikyriakidis, S., Lappin, S.

Comprehensive review of neuro-symbolic techniques, proposing a taxonomy and evaluation guidelines for hybrid architectures.

Dependent Types and Continuations

Chatzikyriakidis, S., Cooper, R.

Investigation of continuations in a dependent type setting and their application to natural language semantics.

Gender Bias in Greek Pronoun Resolution: Evaluating Multilingual and Language-Specific LLMs

Diamantopoulos, K., Chatzikyriakidis, S.

Evaluating gender bias in LLMs for Greek pronoun resolution, presented at TSD 2026.

GeoAffect: A Multi-Layer Annotation Schema and Few-Shot LLM Evaluation for Geoaffective Analysis of Literary Texts

Coidaki, F., Chatzikyriakidis, S.

Multi-layer schema and evaluation for affective geography in texts, presented at ISA 2026 (LREC).

Recognizing Entailment: A Meta-inferential Study of Recognizing Textual Entailment

Blanck, R., Chatzikyriakidis, S., Noble, B.

Meta-inferential properties of NLI systems, presented at CLASP Concluding Conference 2026.

Zeugma: A Neuro-Symbolic System for Reasoning Over LLM-Generated Knowledge Graphs

Bitzilis, T., Chatzikyriakidis, S., Paspatis, G.

Hybrid AI system combining LLMs with Prolog reasoning, presented at CLASP Concluding Conference 2026.

HeptaTAX: A Neuro-Symbolic Pipeline and Benchmark for Classifying 16th-Century Heptanesian Notarial Acts

Chatzikyriakidis, S., Karantzola, E., Makri, V.

Neuro-symbolic classification pipeline for historical Greek documents, presented at DialRes (LREC 2026).

LLMs Got Rhyme? Hybrid Phonological Filtering for Greek Poetry Rhyme Detection and Generation

Chatzikyriakidis, S., Natsina, A.

Combining phonological rule filtering with language models for Greek rhyme analysis, presented at SIGHUM/EACL 2026.

Perplexity as a Metric for Dialectal Distance: A Computational Study of Greek Varieties

Chatzikyriakidis, S., Psaltaki, E., Papadakis, D., Henriksson, E., Laippala, V.

Using perplexity to compute linguistic distance between regional Greek dialects, presented at VarDial/EACL 2026.

GRDD+: An Extended Greek Dialectal Dataset with Cross-Architecture Fine-tuning Evaluation

Chatzikyriakidis, S., Papadakis, D., Papaioannou, I.-S., Psaltaki, E.

Extensive 10-dialect corpus and cross-architecture evaluation results, presented at LREC-COLING 2026.

Kri Kri in RAGs: Retrieval-Augmented Generation for Greek LLMs

Amanatidou, A., Apostolakis, I., Chatzikyriakidis, S., Kassara, G., Kokkoinogenis, P., et al.

Retrieval-augmented models for Greek language understanding, presented at ISTAL 2026.

2025 Publications

Types and the Structure of Meaning

Chatzikyriakidis, S., Cooper, R., Gregoromichelaki, E., Sutton, P.

Comprehensive treatment of type-theoretical approaches to natural language semantics, connecting formal linguistic theory with computational implementation.

Constructive Dynamic Syntax

Chatzikyriakidis, S.

Formalization of Constructive Dynamic Syntax and its dynamic tree growth algorithm for natural language semantics.

Reasoning with RAGged events: RAG-Enhanced Event Knowledge Base Construction

Chatzikyriakidis, S.

Novel approach combining retrieval-augmented generation with proof assistants for event knowledge extraction.

Poetry in RAGs: Modern Greek interwar poetry generation using RAG and contrastive training

Chatzikyriakidis, S., Natsina, A.

RAG-based system for generating modern Greek poetry, combining literary analysis with neural generation.

On Tables with Numbers, with Numbers

Kogkalidis, K., Chatzikyriakidis, S.

Critical reflection on computational linguistics methodology and the role of quantitative evaluation in NLP research.

Reverse Engineering NLI: A study of the meta-inferential properties of Natural Language Inference

Blanck, R., Noble, B., Chatzikyriakidis, S.

Theoretical investigation of the meta-properties of natural language inference systems.

Natural Language Processing for Greek

Chatzikyriakidis, S.

Comprehensive overview of NLP resources, methods, and challenges for the Greek language.

Revisiting Formal Semantics Using Proof Assistants

Chatzikyriakidis, S.

Chapter revisiting the foundations of formal semantics using proof assistant technologies. To appear in Festschrift for Valeria de Paiva.

Μεγάλα γλωσσικά μοντέλα, έμφυλες προκαταλήψεις και άλλα δαιμόνια

Chatzikyriakidis, S.

Chapter discussing gender bias in Large Language Models. Forthcoming in: Language and Gender, Pedio.

Italian and Turkish loanwords detection in Greek dialects

Psaltaki, E., Chatzikyriakidis, S., Scherrer, Y.

Computational detection of Turkish and Italian loanwords in regional Greek dialects, presented at ICGL17.

Rethinking Greenberg's Universal 5 and the (im)possibility of certain head orders

Michelioudakis, D., Angelopoulos, N., Chatzikyriakidis, S., Chousou-Polydouri, N., Anagnostopoulou, E.

Phylogenetic linguistic analysis of Greenberg's Universal 5, presented at NELS 35.

SuperOYXOY: Benchmarking Greek NLU

Anastasopoulou, K., Argyropoulos Theodoropoulos, E., Chantzi, E., Chardouveli, A., Diamantopoulos, K., Frangiadaki, M., Galanaki, S., Giapantzali, V., Iliadou, F., Kasapidi, M.-E., Kasoura, E., Kyriakopoulos, K., Klimi, A., Malamou, P., Mastrofoti, A., Mavromatis, S., Michalomichelaki, A., Ntreki, I., Petroleka, F., Samari, E., Tsalamida, M., Vasileiadi Linardaki, I., Zafeiri, A., Chatzikyriakidis, S., Kogkalidis, K.

Extensive benchmarking framework for Greek Natural Language Understanding, presented at ICGL17.

2024 Publications

Τεχνητή Νοημοσύνη και Μεγάλα Γλωσσικά Μοντέλα: Ιστορία, Χρήσεις, Ανησυχίες

Chatzikyriakidis, S.

Artificial Intelligence and Large Language Models: History, Uses, Concerns - Public-facing book on AI for Greek-speaking audience.

OYXOY: A Modern NLP Test Suite for Modern Greek

Kogkalidis, K., Chatzikyriakidis, S., Giannikouri, E., Katsouli, V., Klironomou, C., Koula, C., Papadakis, D., Pasparaki, T., Psaltaki, E., Sakellariou, H., Soupiona, C.

First multi-label NLI dataset marking ALL possible inference labels, accounting for semantic ambiguity. 1,763 NLI pairs, 6,896 word senses.

I hea- umm think that's what they say: A Dataset of Inferences from Natural Language Dialogues

Ek, A., Noble, B., Chatzikyriakidis, S., Cooper, R., Dobnik, S., et al.

Dataset for inference in natural dialogues with disfluencies and interactive phenomena.

Natural Logic Meets Machine Learning (Special Issue)

Kalouli, A.L., Abzianidze, L., Chatzikyriakidis, S. (eds.)

Special issue exploring hybrid approaches to NLP.

2023 Publications

Propositional Forms of Judgemental Interpretations

Xue, T., Luo, Z., Chatzikyriakidis, S.

Type-theoretical framework for judgemental interpretations in formal semantics.

Probabilistic Approaches to Linguistic Theory

Bernardy, J.P., Blanck, R., Chatzikyriakidis, S., Lappin, S., Maskharashvili, A. (eds.)

Edited volume exploring probabilistic approaches to formal semantic theories.

GRDD: A Dataset for Greek Dialectal NLP

Chatzikyriakidis, S., Qwaider, C., Kolokousis, I., Koula, C., Sakellariou, E., Papadakis, D.

Major resource: First comprehensive dataset for Greek dialectal varieties (Cypriot, Pontic, Cretan, Northern). Enables dialectal NLP research.

The emergence of prepositional genitives in Northern Greek beyond suppletion

Michelioudakis, D., Chatzikyriakidis, S., Spathas, G.

Theoretical analysis of Greek morphosyntactic variation.

Proceedings of the 4th Natural Logic Meets Machine Learning Workshop

Chatzikyriakidis, S., de Paiva, V. (eds.)

Fourth edition of workshop series on natural logic and ML hybrid approaches.

2022 Publications

Fine-grained Entailment: Resources for Greek NLI and Precise Entailment

Amanaki, E., Bernardy, J.P., Chatzikyriakidis, S., Cooper, R., Dobnik, S., Karimi, A., Ek, A., Giannikouri, E.C., Katsouli, V., Kolokousis, I., Mamatzaki, I.C., Papadakis, D., Petrova, O., Psaltaki, E., Soupiona, C., Skoulataki, E., Stefanidou, C.

Key resources: Extended Greek FraCaS (774 examples), De-dropped Greek XNLI dataset. Foundational work for Greek NLI.

How Does Data Corruption Affect Natural Language Understanding Models? A Study on GLUE datasets

Talman, A., Apidianaki, M., Chatzikyriakidis, S., Tiedemann, J.

Systematic study of model robustness under various data corruption scenarios.

Pre-trained Models or Feature Engineering: The Case of Dialectal Arabic

Abu Kwaik, K., Chatzikyriakidis, S., Dobnik, S.

Comparative study of approaches for dialectal Arabic NLP, extending insights to other under-resourced varieties.

Proceedings of the 3rd Natural Logic Meets Machine Learning Workshop

Kalouli, A.L., Chatzikyriakidis, S. (eds.)

Third edition of NALOMA workshop series.

Selected Earlier Publications (Highly Cited)

Applied Temporal Analysis: A Complete Run of the FraCaS Test Suite

Bernardy, J.P., Chatzikyriakidis, S.

Full run on the FraCaS test suite, SotA for logical approaches.

A Wide-Coverage Symbolic Natural Language Inference System

Chatzikyriakidis, S., Bernardy, J.P.

Unified system for anaphora and ellipsis for FraCaS.

Bayesian Inference Semantics: A Modelling System and a Test Suite

Bernardy, J.P., Blanck, R., Chatzikyriakidis, S., Lappin, S., Maskharashvili, A.

Influential framework for probabilistic formal semantics.

Natural Language Inference in Coq

Chatzikyriakidis, S., Luo, Z.

Foundational paper on using proof assistants for natural language inference. Highly influential in neural-symbolic AI.

Complete Bibliography

For a complete list of publications, Google Scholar profile, and additional research outputs, please visit Professor Chatzikyriakidis's personal website.

Full Publication List Google Scholar DBLP