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Hangzhi Guo

2 accepted papers

2025

Have LLMs Reopened the Pandora’s Box of AI-Generated Fake News?

NAACL 2025long

With the rise of AI-generated content spewed at scale from large language models (LLMs), genuine concerns about the spread of fake news have intensified. The perceived ability of LLMs to produce convincing fake news at scale poses new challenges for both human and automated fake news detection syste…

2023

A Continual Pre-training Approach to Tele-Triaging Pregnant Women in Kenya

AAAI 2023technical

Access to high-quality maternal health care services is limited in Kenya, which resulted in ∼36,000 maternal and neonatal deaths in 2018. To tackle this challenge, Jacaranda Health (a non-profit organization working on maternal health in Kenya) developed PROMPTS, an SMS based tele-triage system for…