Maria Lymperaiou

According to our database, Maria Lymperaiou authored at least 36 papers between 2022 and 2025.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of four.

2025

Analyze-Prompt-Reason: A Collaborative Agent-Based Framework for Multi-Image Vision-Language Reasoning.

Angelos Vlachos, Giorgos Filandrianos, Maria Lymperaiou, Nikolaos Spanos, Ilias Mitsouras, Vasileios Karampinis, Athanasios Voulodimos

CoRR, August, 2025

StockSim: A Dual-Mode Order-Level Simulator for Evaluating Multi-Agent LLMs in Financial Markets.

Charidimos Papadakis, Giorgos Filandrianos, Angeliki Dimitriou, Maria Lymperaiou, Konstantinos Thomas, Giorgos Stamou

CoRR, July, 2025

PAKTON: A Multi-Agent Framework for Question Answering in Long Legal Agreements.

Petros Raptopoulos, Giorgos Filandrianos, Maria Lymperaiou, Giorgos Stamou

CoRR, June, 2025

SCENIR: Visual Semantic Clarity through Unsupervised Scene Graph Retrieval.

Nikolaos Chaidos, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Stamou

CoRR, May, 2025

AILS-NTUA at SemEval-2025 Task 4: Parameter-Efficient Unlearning for Large Language Models using Data Chunking.

Iraklis Premptis, Maria Lymperaiou, Giorgos Filandrianos, Orfeas Menis-Mastromichalakis, Athanasios Voulodimos, Giorgos Stamou

CoRR, March, 2025

AILS-NTUA at SemEval-2025 Task 3: Leveraging Large Language Models and Translation Strategies for Multilingual Hallucination Detection.

Dimitra Karkani, Maria Lymperaiou, Giorgos Filandrianos, Nikolaos Spanos, Athanasios Voulodimos, Giorgos Stamou

CoRR, March, 2025

Conceptual Contrastive Edits in Textual and Vision-Language Retrieval.

Maria Lymperaiou, Giorgos Stamou

CoRR, March, 2025

HalCECE: A Framework for Explainable Hallucination Detection through Conceptual Counterfactuals in Image Captioning.

Maria Lymperaiou, Giorgos Filandrianos, Angeliki Dimitriou, Athanasios Voulodimos, Giorgos Stamou

CoRR, March, 2025

AILS-NTUA at SemEval-2025 Task 8: Language-to-Code prompting and Error Fixing for Tabular Question Answering.

Andreas Evangelatos, Giorgos Filandrianos, Maria Lymperaiou, Athanasios Voulodimos, Giorgos Stamou

CoRR, March, 2025

Pitfalls of Scale: Investigating the Inverse Task of Redefinition in Large Language Models.

Elena Stringli, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

CoRR, February, 2025

Bias Beware: The Impact of Cognitive Biases on LLM-Driven Product Recommendations.

Giorgos Filandrianos, Angeliki Dimitriou, Maria Lymperaiou, Konstantinos Thomas, Giorgos Stamou

CoRR, February, 2025

RISCORE: Enhancing In-Context Riddle Solving in Language Models through Context-Reconstructed Example Augmentation.

Ioannis Panagiotopoulos, George Filandrianos, Maria Lymperaiou, Giorgos Stamou

Proceedings of the 31st International Conference on Computational Linguistics, 2025

Pitfalls of Scale: Investigating the Inverse Task of Redefinition in Large Language Models.

Elena Stringli, Maria Lymperaiou, Giorgos Filandrianos, Athanasios Voulodimos, Giorgos Stamou

Proceedings of the Findings of the Association for Computational Linguistics, 2025

2024

A survey on knowledge-enhanced multimodal learning.

Maria Lymperaiou, Giorgos Stamou

Artif. Intell. Rev., October, 2024

BERTtime Stories: Investigating the Role of Synthetic Story Data in Language pre-training.

Nikitas Theodoropoulos, Giorgos Filandrianos, Vassilis Lyberatos, Maria Lymperaiou, Giorgos Stamou

CoRR, 2024

Enhancing adversarial robustness in Natural Language Inference using explanations.

Alexandros Koulakos, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

CoRR, 2024

ARPA: A Novel Hybrid Model for Advancing Visual Word Disambiguation Using Large Language Models and Transformers.

Aristi Papastavrou, Maria Lymperaiou, Giorgos Stamou

CoRR, 2024

Optimal and efficient text counterfactuals using Graph Neural Networks.

Dimitris Lymperopoulos, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

CoRR, 2024

Masked Generative Story Transformer with Character Guidance and Caption Augmentation.

Christos H. Papadimitriou, Giorgos Filandrianos, Maria Lymperaiou, Giorgos Stamou

CoRR, 2024

Graph Edits for Counterfactual Explanations: A Unified GNN Approach.

Nikolaos Chaidos, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Stamou

CoRR, 2024

Graph Edits for Counterfactual Explanations: A Comparative Study.

Angeliki Dimitriou, Nikolaos Chaidos, Maria Lymperaiou, Giorgos Stamou

Proceedings of the Explainable Artificial Intelligence, 2024

Prompt2Fashion: An automatically generated fashion dataset.

Georgia Argyrou, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

Proceedings of the 13th Hellenic Conference on Artificial Intelligence, 2024

AILS-NTUA at SemEval-2024 Task 9: Cracking Brain Teasers: Transformer Models for Lateral Thinking Puzzles.

Ioannis Panagiotopoulos, George Filandrianos, Maria Lymperaiou, Giorgos Stamou

Proceedings of the 18th International Workshop on Semantic Evaluation, 2024

AILS-NTUA at SemEval-2024 Task 6: Efficient model tuning for hallucination detection and analysis.

Natalia Grigoriadou, Maria Lymperaiou, George Filandrianos, Giorgos Stamou

Proceedings of the 18th International Workshop on Semantic Evaluation, 2024

Structure Your Data: Towards Semantic Graph Counterfactuals.

Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Konstantinos Thomas, Giorgos Stamou

Proceedings of the Forty-first International Conference on Machine Learning, 2024

"I Never Said That": A dataset, taxonomy and baselines on response clarity classification.

Konstantinos Thomas, Giorgos Filandrianos, Maria Lymperaiou, Chrysoula Zerva, Giorgos Stamou

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2024, 2024

Puzzle Solving using Reasoning of Large Language Models: A Survey.

Panagiotis Giadikiaroglou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, 2024

Automatic Generation of Fashion Images Using Prompting in Generative Machine Learning Models.

Georgia Argyrou, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

Proceedings of the Computer Vision - ECCV 2024 Workshops, 2024

2023

An Impartial Transformer for Story Visualization.

Nikolaos Tsakas, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

CoRR, 2023

Language Models as Knowledge Bases for Visual Word Sense Disambiguation.

Anastasia Kritharoula, Maria Lymperaiou, Giorgos Stamou

Proceedings of the Joint proceedings of the 1st workshop on Knowledge Base Construction from Pre-Trained Language Models (KBC-LM) and the 2nd challenge on Language Models for Knowledge Base Construction (LM-KBC) co-located with the 22nd International Semantic Web Conference (ISWC 2023), 2023

Large Language Models and Multimodal Retrieval for Visual Word Sense Disambiguation.

Anastasia Kritharoula, Maria Lymperaiou, Giorgos Stamou

Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing, 2023

Knowledge-Based Counterfactual Queries for Visual Question Answering.

Theodoti Stoikou, Maria Lymperaiou, Giorgos Stamou

Proceedings of the AAAI 2023 Spring Symposium on Challenges Requiring the Combination of Machine Learning and Knowledge Engineering (AAAI-MAKE 2023), 2023

Fine-Grained ImageNet Classification in the Wild.

Maria Lymperaiou, Konstantinos Thomas, Giorgos Stamou

Proceedings of the AAAI 2023 Spring Symposium on Challenges Requiring the Combination of Machine Learning and Knowledge Engineering (AAAI-MAKE 2023), 2023

The Contribution of Knowledge in Visiolinguistic Learning: A Survey on Tasks and Challenges.

Maria Lymperaiou, Giorgos Stamou

Proceedings of the AAAI 2023 Spring Symposium on Challenges Requiring the Combination of Machine Learning and Knowledge Engineering (AAAI-MAKE 2023), 2023

Counterfactual Edits for Generative Evaluation.

Maria Lymperaiou, Giorgos Filandrianos, Konstantinos Thomas, Giorgos Stamou

Proceedings of the AAAI 2023 Spring Symposium on Challenges Requiring the Combination of Machine Learning and Knowledge Engineering (AAAI-MAKE 2023), 2023

2022

Towards Explainable Evaluation of Language Models on the Semantic Similarity of Visual Concepts.

Maria Lymperaiou, George Manoliadis, Orfeas Menis-Mastromichalakis, Edmund G. Dervakos, Giorgos Stamou

Proceedings of the 29th International Conference on Computational Linguistics, 2022