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2025

Preprint

Evaluating GRPO and DPO for Faithful Chain-of-Thought Reasoning in LLMs

Hadi Mohammadi, T. Kozak, Anastasia Giachanou

arXiv preprint arXiv:2512.22631

Preprint

EvalMORAAL: Interpretable Chain-of-Thought and LLM-as-Judge Evaluation for Moral Alignment in Large Language Models

Hadi Mohammadi, Anastasia Giachanou, Robert A. Bagheri

Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026), ACL 2026 (in press) · arXiv:2510.05942

Journal Article Under Revision

Measuring Firm Characteristics with Natural Language Processing (NLP) Models: An error-mitigating framework with tutorial guidance

Daniel L. Oberski, J. Domenech, J. Garcia-Bernardo, P. Gerbrands, W. Hassink, Hadi Mohammadi, P. Mustica, R. Schilpzand, A. Witteloostuijn

Strategic Organization (under revision)

2024

Preprint

LLMs as Mirrors of Societal Moral Standards: Reflection of Cultural Divergence and Agreement Across Ethical Topics

Mijntje Meijer, Hadi Mohammadi, Robert A. Bagheri

arXiv preprint arXiv:2412.00962

Preprint

Large Language Models as Mirrors of Societal Moral Standards

Efthymia Papadopoulou, Hadi Mohammadi, Robert A. Bagheri

arXiv preprint arXiv:2412.00956

Preprint

Novel Approaches in Financial Fraud Detection: Hybrid Machine Learning and Uncertainty-Based Deep Learning

Hadi Mohammadi, Milad Rahmati, Tina Shahedi

2024

Journal Article

The CLIN33 Shared Task on the Detection of Text Generated by Large Language Models

Pieter Fivez, Walter Daelemans, Tim Van de Cruys, Yury Kashnitsky, Savvas Chamezopoulos, Hadi Mohammadi, Anastasia Giachanou, Robert A. Bagheri, Wessel Poelman, Juraj Vladika, Esther Ploeger, Johannes Bjerva, Florian Matthes, Hans van Halteren

Computational Linguistics in the Netherlands Journal, Volume 13, 233–259, 2024

2023

Conference

Towards Robust Online Sexism Detection: A Multi-Model Approach with BERT, XLM-RoBERTa, and DistilBERT for EXIST 2023 Tasks

Hadi Mohammadi, Anastasia Giachanou, Robert A. Bagheri

CLEF 2023: Conference and Labs of the Evaluation Forum, Working Notes, 1000–1011

2022

Book

Statistical Reinforcement Learning with Application in Dynamic Pricing Problem: Learning from Customer Interaction based on Bayesian Approach

Hadi Mohammadi

Tehran: Arshadan Publication, 2022 [In Persian]

Journal Article

Home Health Care Problem with Synchronization Visits and Considering Samples Transferring Time: A Case Study in Tehran, Iran

Mahyar Mirabnejad, Hadi Mohammadi, Mehrdad Mirzabaghi, Amir Aghsami, Fariborz Jolai, Maziar Yazdani

International Journal of Environmental Research and Public Health, Volume 19, Issue 22, 15036, 2022