Maria Lymperaiou

66 papers A* 7B 2Journal 44Unranked 13
YearRankTypeTitle / Venue / Authors
2026 J jnl
AILS-NTUA at SemEval-2026 Task 10: Agentic LLMs for Psycholinguistic Marker Extraction and Conspiracy Endorsement Detection.
CoRR
Panagiotis Alexios Spanakis, Maria Lymperaiou, Giorgos Filandrianos, Athanasios Voulodimos, Giorgos Stamou
2026 J jnl
AILS-NTUA at SemEval-2026 Task 12: Graph-Based Retrieval and Reflective Prompting for Abductive Event Reasoning.
CoRR
Nikolas Karafyllis, Maria Lymperaiou, Giorgos Filandrianos, Athanasios Voulodimos, Giorgos Stamou
2026 J jnl
AILS-NTUA at SemEval-2026 Task 3: Efficient Dimensional Aspect-Based Sentiment Analysis.
CoRR
Stavros Gazetas, Giorgos Filandrianos, Maria Lymperaiou, Paraskevi K. Tzouveli, Athanasios Voulodimos, Giorgos Stamou
2026 J jnl
AILS-NTUA at SemEval-2026 Task 8: Evaluating Multi-Turn RAG Conversations.
CoRR
Dimosthenis Athanasiou, Maria Lymperaiou, Giorgos Filandrianos, Athanasios Voulodimos, Giorgos Stamou
2026 J jnl
Evaluating Counterfactual Strategic Reasoning in Large Language Models.
CoRR
Dimitrios Georgousis, Maria Lymperaiou, Angeliki Dimitriou, Giorgos Filandrianos, Giorgos Stamou
2026 J jnl
Reasoning or Pattern Matching? Probing Large Vision-Language Models with Visual Puzzles.
CoRR
Maria Lymperaiou, Vasileios Karampinis, Giorgos Filandrianos, Angelos Vlachos, Chrysoula Zerva, Athanasios Voulodimos
2026 J jnl
SemEval-2026 Task 6: CLARITY - Unmasking Political Question Evasions.
CoRR
Konstantinos Thomas, Giorgos Filandrianos, Maria Lymperaiou, Chrysoula Zerva, Giorgos Stamou
2025 J jnl
AILS-NTUA at SemEval-2025 Task 3: Leveraging Large Language Models and Translation Strategies for Multilingual Hallucination Detection.
CoRR
Dimitra Karkani, Maria Lymperaiou, Giorgos Filandrianos, Nikolaos Spanos, Athanasios Voulodimos, Giorgos Stamou
2025 J jnl
AILS-NTUA at SemEval-2025 Task 4: Parameter-Efficient Unlearning for Large Language Models using Data Chunking.
CoRR
Iraklis Premptis, Maria Lymperaiou, Giorgos Filandrianos, Orfeas Menis-Mastromichalakis, Athanasios Voulodimos, Giorgos Stamou
2025 J jnl
AILS-NTUA at SemEval-2025 Task 8: Language-to-Code prompting and Error Fixing for Tabular Question Answering.
CoRR
Andreas Evangelatos, Giorgos Filandrianos, Maria Lymperaiou, Athanasios Voulodimos, Giorgos Stamou
2025 J jnl
ATLAS: Adaptive Trading with LLM AgentS Through Dynamic Prompt Optimization and Multi-Agent Coordination.
CoRR
Charidimos Papadakis, Angeliki Dimitriou, Giorgos Filandrianos, Maria Lymperaiou, Konstantinos Thomas, Giorgos Stamou
2025 A* conf
Analyze-Prompt-Reason: A Collaborative Agent-Based Framework for Multi-Image Vision-Language Reasoning.
ACM Multimedia
Angelos Vlachos, Giorgos Filandrianos, Maria Lymperaiou, Nikolaos Spanos, Ilias Mitsouras, Vasileios Karampinis, Athanasios Voulodimos
2025 J jnl
Analyze-Prompt-Reason: A Collaborative Agent-Based Framework for Multi-Image Vision-Language Reasoning.
CoRR
Angelos Vlachos, Giorgos Filandrianos, Maria Lymperaiou, Nikolaos Spanos, Ilias Mitsouras, Vasileios Karampinis, Athanasios Voulodimos
2025 A* conf
Bias Beware: The Impact of Cognitive Biases on LLM-Driven Product Recommendations.
EMNLP
Giorgos Filandrianos, Angeliki Dimitriou, Maria Lymperaiou, Konstantinos Thomas, Giorgos Stamou
2025 J jnl
Bias Beware: The Impact of Cognitive Biases on LLM-Driven Product Recommendations.
CoRR
Giorgos Filandrianos, Angeliki Dimitriou, Maria Lymperaiou, Konstantinos Thomas, Giorgos Stamou
2025 J jnl
Conceptual Contrastive Edits in Textual and Vision-Language Retrieval.
CoRR
Maria Lymperaiou, Giorgos Stamou
2025 — conf
HalCECE: A Framework for Explainable Hallucination Detection Through Conceptual Counterfactuals in Image Captioning.
xAI (4)
Maria Lymperaiou, Giorgos Filandrianos, Angeliki Dimitriou, Athanasios Voulodimos, Giorgos Stamou
2025 J jnl
HalCECE: A Framework for Explainable Hallucination Detection through Conceptual Counterfactuals in Image Captioning.
CoRR
Maria Lymperaiou, Giorgos Filandrianos, Angeliki Dimitriou, Athanasios Voulodimos, Giorgos Stamou
2025 A* conf
PAKTON: A Multi-Agent Framework for Question Answering in Long Legal Agreements.
EMNLP
Petros Raptopoulos, Giorgos Filandrianos, Maria Lymperaiou, Giorgos Stamou
2025 J jnl
PAKTON: A Multi-Agent Framework for Question Answering in Long Legal Agreements.
CoRR
Petros Raptopoulos, Giorgos Filandrianos, Maria Lymperaiou, Giorgos Stamou
2025 — conf
Pitfalls of Scale: Investigating the Inverse Task of Redefinition in Large Language Models.
ACL (Findings)
Elena Stringli, Maria Lymperaiou, Giorgos Filandrianos, Athanasios Voulodimos, Giorgos Stamou
2025 J jnl
Pitfalls of Scale: Investigating the Inverse Task of Redefinition in Large Language Models.
CoRR
Elena Stringli, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2025 B conf
RISCORE: Enhancing In-Context Riddle Solving in Language Models through Context-Reconstructed Example Augmentation.
COLING
Ioannis Panagiotopoulos, George Filandrianos, Maria Lymperaiou, Giorgos Stamou
2025 A* conf
SCENIR: Visual Semantic Clarity through Unsupervised Scene Graph Retrieval.
ICML
Nikolaos Chaidos, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Stamou
2025 J jnl
SCENIR: Visual Semantic Clarity through Unsupervised Scene Graph Retrieval.
CoRR
Nikolaos Chaidos, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Stamou
2025 J jnl
StockSim: A Dual-Mode Order-Level Simulator for Evaluating Multi-Agent LLMs in Financial Markets.
CoRR
Charidimos Papadakis, Giorgos Filandrianos, Angeliki Dimitriou, Maria Lymperaiou, Konstantinos Thomas, Giorgos Stamou
2025 J jnl
V-CECE: Visual Counterfactual Explanations via Conceptual Edits.
CoRR
Nikolaos Spanos, Maria Lymperaiou, Giorgos Filandrianos, Konstantinos Thomas, Athanasios Voulodimos, Giorgos Stamou
2024 — conf
"I Never Said That": A dataset, taxonomy and baselines on response clarity classification.
EMNLP (Findings)
Konstantinos Thomas, Giorgos Filandrianos, Maria Lymperaiou, Chrysoula Zerva, Giorgos Stamou
2024 J jnl
"I Never Said That": A dataset, taxonomy and baselines on response clarity classification.
CoRR
Konstantinos Thomas, Giorgos Filandrianos, Maria Lymperaiou, Chrysoula Zerva, Giorgos Stamou
2024 J jnl
A survey on knowledge-enhanced multimodal learning.
Artif. Intell. Rev.
Maria Lymperaiou, Giorgos Stamou
2024 — conf
AILS-NTUA at SemEval-2024 Task 6: Efficient model tuning for hallucination detection and analysis.
SemEval@NAACL
Natalia Grigoriadou, Maria Lymperaiou, George Filandrianos, Giorgos Stamou
2024 J jnl
AILS-NTUA at SemEval-2024 Task 6: Efficient model tuning for hallucination detection and analysis.
CoRR
Natalia Grigoriadou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2024 — conf
AILS-NTUA at SemEval-2024 Task 9: Cracking Brain Teasers: Transformer Models for Lateral Thinking Puzzles.
SemEval@NAACL
Ioannis Panagiotopoulos, George Filandrianos, Maria Lymperaiou, Giorgos Stamou
2024 J jnl
AILS-NTUA at SemEval-2024 Task 9: Cracking Brain Teasers: Transformer Models for Lateral Thinking Puzzles.
CoRR
Ioannis Panagiotopoulos, Giorgos Filandrianos, Maria Lymperaiou, Giorgos Stamou
2024 J jnl
ARPA: A Novel Hybrid Model for Advancing Visual Word Disambiguation Using Large Language Models and Transformers.
CoRR
Aristi Papastavrou, Maria Lymperaiou, Giorgos Stamou
2024 — conf
Automatic Generation of Fashion Images Using Prompting in Generative Machine Learning Models.
ECCV Workshops (1)
Georgia Argyrou, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2024 J jnl
Automatic Generation of Fashion Images using Prompting in Generative Machine Learning Models.
CoRR
Georgia Argyrou, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2024 J jnl
BERTtime Stories: Investigating the Role of Synthetic Story Data in Language pre-training.
CoRR
Nikitas Theodoropoulos, Giorgos Filandrianos, Vassilis Lyberatos, Maria Lymperaiou, Giorgos Stamou
2024 J jnl
Enhancing adversarial robustness in Natural Language Inference using explanations.
CoRR
Alexandros Koulakos, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2024 — conf
Graph Edits for Counterfactual Explanations: A Comparative Study.
xAI (2)
Angeliki Dimitriou, Nikolaos Chaidos, Maria Lymperaiou, Giorgos Stamou
2024 J jnl
Graph Edits for Counterfactual Explanations: A Unified GNN Approach.
CoRR
Nikolaos Chaidos, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Stamou
2024 J jnl
Masked Generative Story Transformer with Character Guidance and Caption Augmentation.
CoRR
Christos H. Papadimitriou, Giorgos Filandrianos, Maria Lymperaiou, Giorgos Stamou
2024 J jnl
Optimal and efficient text counterfactuals using Graph Neural Networks.
CoRR
Dimitris Lymperopoulos, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2024 — conf
Prompt2Fashion: An automatically generated fashion dataset.
SETN
Georgia Argyrou, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2024 J jnl
Prompt2Fashion: An automatically generated fashion dataset.
CoRR
Georgia Argyrou, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2024 A* conf
Puzzle Solving using Reasoning of Large Language Models: A Survey.
EMNLP
Panagiotis Giadikiaroglou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2024 J jnl
Puzzle Solving using Reasoning of Large Language Models: A Survey.
CoRR
Panagiotis Giadikiaroglou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2024 J jnl
RISCORE: Enhancing In-Context Riddle Solving in Language Models through Context-Reconstructed Example Augmentation.
CoRR
Ioannis Panagiotopoulos, Giorgos Filandrianos, Maria Lymperaiou, Giorgos Stamou
2024 A* conf
Structure Your Data: Towards Semantic Graph Counterfactuals.
ICML
Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Konstantinos Thomas, Giorgos Stamou
2024 J jnl
Structure Your Data: Towards Semantic Graph Counterfactuals.
CoRR
Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Konstantinos Thomas, Giorgos Stamou
2023 J jnl
An Impartial Transformer for Story Visualization.
CoRR
Nikolaos Tsakas, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou
2023 — conf
Counterfactual Edits for Generative Evaluation.
AAAI Spring Symposium: MAKE
Maria Lymperaiou, Giorgos Filandrianos, Konstantinos Thomas, Giorgos Stamou
2023 J jnl
Counterfactual Edits for Generative Evaluation.
CoRR
Maria Lymperaiou, Giorgos Filandrianos, Konstantinos Thomas, Giorgos Stamou
2023 — conf
Fine-Grained ImageNet Classification in the Wild.
AAAI Spring Symposium: MAKE
Maria Lymperaiou, Konstantinos Thomas, Giorgos Stamou
2023 J jnl
Fine-Grained ImageNet Classification in the Wild.
CoRR
Maria Lymperaiou, Konstantinos Thomas, Giorgos Stamou
2023 — conf
Knowledge-Based Counterfactual Queries for Visual Question Answering.
AAAI Spring Symposium: MAKE
Theodoti Stoikou, Maria Lymperaiou, Giorgos Stamou
2023 J jnl
Knowledge-Based Counterfactual Queries for Visual Question Answering.
CoRR
Theodoti Stoikou, Maria Lymperaiou, Giorgos Stamou
2023 — conf
Language Models as Knowledge Bases for Visual Word Sense Disambiguation.
KBC-LM/LM-KBC@ISWC
Anastasia Kritharoula, Maria Lymperaiou, Giorgos Stamou
2023 J jnl
Language Models as Knowledge Bases for Visual Word Sense Disambiguation.
CoRR
Anastasia Kritharoula, Maria Lymperaiou, Giorgos Stamou
2023 A* conf
Large Language Models and Multimodal Retrieval for Visual Word Sense Disambiguation.
EMNLP
Anastasia Kritharoula, Maria Lymperaiou, Giorgos Stamou
2023 J jnl
Large Language Models and Multimodal Retrieval for Visual Word Sense Disambiguation.
CoRR
Anastasia Kritharoula, Maria Lymperaiou, Giorgos Stamou
2023 — conf
The Contribution of Knowledge in Visiolinguistic Learning: A Survey on Tasks and Challenges.
AAAI Spring Symposium: MAKE
Maria Lymperaiou, Giorgos Stamou
2023 J jnl
The Contribution of Knowledge in Visiolinguistic Learning: A Survey on Tasks and Challenges.
CoRR
Maria Lymperaiou, Giorgos Stamou
2022 J jnl
A survey on knowledge-enhanced multimodal learning.
CoRR
Maria Lymperaiou, Giorgos Stamou
2022 B conf
Towards Explainable Evaluation of Language Models on the Semantic Similarity of Visual Concepts.
COLING
Maria Lymperaiou, George Manoliadis, Orfeas Menis-Mastromichalakis, Edmund G. Dervakos, Giorgos Stamou
2022 J jnl
Towards explainable evaluation of language models on the semantic similarity of visual concepts.
CoRR
Maria Lymperaiou, George Manoliadis, Orfeas Menis-Mastromichalakis, Edmund G. Dervakos, Giorgos Stamou