Hamidreza Saffari

Computer Science MSc student at Politecnico di Milano. I work on language models, culture, and the quiet frictions between them.

About

I'm particularly interested in computational social science and natural language processing. My research focuses on understanding cultural biases and social dynamics in AI systems, with emphasis on cross-cultural perspectives and multilingual analysis.

Publications

NAACL2025

Can I introduce my boyfriend to my grandmother? Evaluating LLMs on Iranian Culture

Hamidreza Saffari, Mohammadamin Shafiei, Donya Rooein, Francesco Pierri, Debora Nozza
ACL · GebNLP2025

Measuring Gender Bias in Language Models in Farsi

Hamidreza Saffari, Mohammadamin Shafiei, Donya Rooein, Debora Nozza
EMNLP2025

Beyond Hate Speech: NLP's Challenges and Opportunities in Dehumanizing

Hamidreza Saffari, Mohammadamin Shafiei, Hezhao Zhang, Lasana Harris, Nafise Sadat Moosavi
ACL2025

MultiHoax: A Dataset of Multi-hop False-premise Questions

Mohammadamin Shafiei*, Hamidreza Saffari*, Nafise Sadat Moosavi
* equal contribution
arXiv2025

Not All Jokes Land: Evaluating Large Language Models Understanding of Workplace Humor

Mohammadamin Shafiei*, Hamidreza Saffari*
* equal contribution
AAAI2026

LingAlign: A Multilingual, Multidimensional Benchmark for Evaluating LLM Alignment Variability

Mohammadamin Shafiei*, Hamidreza Saffari*, Nafise Sadat Moosavi
* equal contribution
IJCNLP · AACL2025

Framing Bias in Arithmetic Reasoning: How Language and Identity Cues Steer LLM Outputs in Objective Tasks

Mohammadamin Shafiei*, Hamidreza Saffari*, Nafise Sadat Moosavi
* equal contribution
EMNLP2025

TruthTrap: A Bilingual Benchmark for Evaluating Factually Correct Yet Misleading Information in Question Answering

Mohammadamin Shafiei*, Hamidreza Saffari*, Mohammad Taher Pilehvar, Alessandro Raganato
* equal contribution
in preparationtba

PsyEmbedding: Fine-tuning Pre-trained Transformer Models for Quantifying Psychological Similarity in Text

Mohammad Atari, Aida Davani, Mohammadamin Shafiei, Hamidreza Saffari, Arian Bolandi
Applied Intelligence2023

A type-2 neuro-fuzzy system with a novel learning method for Parkinson's disease diagnosis

Armin Salimi-Badr, Mohammad Hashemi, Hamidreza Saffari
Milano · MMXXVI