Papers by Shady Shehata

10 papers
Pearl: A Multimodal Culturally-Aware Arabic Instruction Dataset (2025.findings-emnlp)

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Challenge: Mainstream large vision-language models (LVLMs) inherently encode cultural biases, highlighting the need for diverse multimodal datasets.
Approach: They propose to construct a large-scale Arabic multimodal dataset and benchmark explicitly designed for cultural understanding.
Outcome: The proposed dataset covers ten culturally significant domains covering all Arab countries and includes two evaluation benchmarks (PEARL and PEARL-LITE) and a specialized subset (PearL-X).
Exploring the Limitations of Detecting Machine-Generated Text (2025.coling-main)

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Challenge: Recent advances in the quality of the generation of text by large language models have spurred research into identifying machine-generated text.
Approach: They audit classification performance for detecting machine-generated text by evaluating on texts with varying writing styles.
Outcome: The proposed methods are highly sensitive to stylistic changes and complexity, and in some cases degrade entirely to random classifiers.
JAWAHER: A Multidialectal Dataset of Arabic Proverbs for LLM Benchmarking (2025.naacl-long)

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Challenge: Recent advances in instruction fine-tuning and alignment methods have enhanced the adaptability of large language models to user preferences.
Approach: They propose a benchmark to assess LLMs’ capacity to comprehend and interpret Arabic proverbs.
Outcome: The proposed model can generate accurate translations, but struggle to produce culturally nuanced and contextually relevant explanations.
Beyond Content: How Grammatical Gender Shapes Visual Representation in Text-to-Image Models (2025.findings-emnlp)

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Challenge: grammatical gender significantly influences image generation in text-to-image models . masculine grammatikal markers increase male representation to 73% on average . feminine grammatological markers increase female representation to 38% .
Approach: They propose a cross-linguistic benchmark examining words where grammatical gender contradicts stereotypical gender associations.
Outcome: The proposed benchmark examines words where grammatical gender contradicts stereotypical gender associations.
ArabicMMLU: Assessing Massive Multitask Language Understanding in Arabic (2024.findings-acl)

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Challenge: evaluating language models in Arabic remains challenging due to limited datasets . focus has shift to reasoning and knowledge-intensive tasks due to lack of relevant datasets.
Approach: They propose to use ArabicMMLU to evaluate models' understanding of Arabic . they use 40 tasks and 14,575 multiple-choice questions from school exams in different countries .
Outcome: The ArabicMMLU is the first multi-task language understanding benchmark for the Arabic language . it is based on 40 tasks and 14,575 multiple-choice questions in modern standard Arabic . the models are based in different countries across North Africa, the Levant, and the Gulf regions .
NileChat: Towards Linguistically Diverse and Culturally Aware LLMs for Local Communities (2025.emnlp-main)

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Challenge: Current research directions rely on synthetic data generated by translating English corpora, which often fails to represent the cultural heritage and values of local communities.
Approach: They propose a method to create and retrieve pre-training data tailored to a specific community . they use Egyptian and Moroccan dialects as testbeds to test their understanding .
Outcome: The proposed method outperforms existing Arabic-aware LLMs and performs on par with larger models.
NurseLLM: The First Specialized Language Model for Nursing (2025.emnlp-industry)

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Challenge: Recent advances in large language models (LLMs) have significantly transformed medical systems, but their potential within specialized domains such as nursing remains underexplored.
Approach: They propose a multi-stage data generation pipeline to build the first large scale nursing MCQ dataset to train LLMs on a broad spectrum of nursing topics.
Outcome: The proposed LLM outperforms general-purpose and medical-specialized LLMs on different benchmarks, underscoring the importance of a specialized Lm for the nursing domain.
Casablanca: Data and Models for Multidialectal Arabic Speech Recognition (2024.emnlp-main)

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Challenge: despite recent advances in speech processing, the majority of world languages and dialects remain uncovered.
Approach: They propose to collect and transcribe a new Arabic dataset for eight dialects . they also develop strong baselines exploiting the new dataset .
Outcome: The proposed dataset covers eight Arabic dialects, including Algerian, Egyptian, Emirati, Jordanian, Mauritanian, Moroccan, Palestinian, and Yemeni.
Detecting Propaganda Techniques in Code-Switched Social Media Text (2023.emnlp-main)

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Challenge: a new study aims to detect propaganda in multiple languages using code-switching . social media platforms have made it easier for anyone to spread information to a wide audience .
Approach: They propose to detect propaganda techniques in code-switched texts using a corpus of 1,030 texts . they propose to model multilinguality directly rather than using translation .
Outcome: The proposed method combines different languages within the same text, presenting a challenge for automatic systems.

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