Papers by Ahmed Alaa
FRAPPE: FRAming, Persuasion, and Propaganda Explorer (2024.eacl-demo)
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Ahmed Sajwani, Alaa El Setohy, Ali Mekky, Diana Turmakhan, Lara Hassan, Mohamed El Zeftawy, Omar El Herraoui, Osama Afzal, Qisheng Liao, Tarek Mahmoud
| Challenge: | FRAPPE is a linguistic analysis, persuasion, and propaganda-based news analysis system that analyzes articles for genre, framings, and persulasion techniques. |
| Approach: | They propose a FRAming, Persuasion, and Propaganda Explorer system that analyzes articles for genre, framings, and use of persuation techniques. |
| Outcome: | FRAPPE analyzes articles for genre, framings, and use of persuasion techniques . it also draws comparisons between persulasion and framping strategies adopted by a diverse pool of news outlets and countries across multiple languages for different topics . |
Viability of Machine Translation for Healthcare in Low-Resourced Languages (2025.emnlp-main)
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Hellina Hailu Nigatu, Nikita Mehandru, Negasi Haile Abadi, Blen Gebremeskel, Ahmed Alaa, Monojit Choudhury
| Challenge: | MT errors are more pronounced in low-resourced languages where human translators are scarce and MT tools perform poorly. |
| Approach: | They propose to use a publicly available machine translation system to analyze machine translation errors in healthcare domains. |
| Outcome: | The proposed system reduces errors in two low-resourced languages for healthcare. |
Lifelong Model Editing with Graph-Based External Memory (2025.findings-acl)
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| Challenge: | Existing methods for post-training model editing suffer from overfitting and catastrophic forgetting. |
| Approach: | They propose a framework that leverages hyperbolic geometry and graph neural networks for precise and stable model edits. |
| Outcome: | Experiments on CounterFact, CounterFACT+, and MQuAKE with GPT2-XL and GPT-J show that HYPE significantly enhances edit stability, factual accuracy, and multi-hop reasoning. |
Lifelong Knowledge Editing requires Better Regularization (2025.findings-emnlp)
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Akshat Gupta, Phudish Prateepamornkul, Maochuan Lu, Ahmed Alaa, Thomas Hartvigsen, Gopala Anumanchipalli
| Challenge: | Knowledge editing is a promising way to improve factuality in large language models, but recent studies have shown significant model degradation during sequential editing. |
| Approach: | They formalize locate-then-edit methods as a two-step fine-tuning process . they show that model degradation occurs due to over-optimization of internal activations . |
| Outcome: | The proposed methods reduce time and improve factuality by 42-61%. |