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Afaf Taik

3 accepted papers

2025

Enhancing Privacy in the Early Detection of Sexual Predators Through Federated Learning and Differential Privacy

AAAI 2025technical

The increased screen time and isolation caused by the COVID-19 pandemic have led to a significant surge in cases of online grooming, which is the use of strategies by predators to lure children into sexual exploitation. Previous efforts to detect grooming in industry and academia have involved acces…

2024

From Representational Harms to Quality-of-Service Harms: A Case Study on Llama 2 Safety Safeguards

ACL 2024findings

Recent progress in large language models (LLMs) has led to their widespread adoption in various domains. However, these advancements have also introduced additional safety risks and raised concerns regarding their detrimental impact on already marginalized populations.Despite growing mitigation effo…

2024

Promoting Fair Vaccination Strategies through Influence Maximization: A Case Study on COVID-19 Spread

AAAI 2024technical

The aftermath of the Covid-19 pandemic saw more severe outcomes for racial minority groups and economically-deprived communities. Such disparities can be explained by several factors, including unequal access to healthcare, as well as the inability of low income groups to reduce their mobility due t…