collaborators

7 papers

physics.soc-ph2026

Information Theoretic Optimal Surveillance for Epidemic Prevalence in Networks

Ritwick Mishra, Abhijin Adiga, Madhav Marathe +3

Estimating the true prevalence of an epidemic outbreak is a key public health problem. This is challenging because surveillance is usually resource intensive and biased. In the net…

cs.LG2025

Improving Hospital Risk Prediction with Knowledge-Augmented Multimodal EHR Modeling

Rituparna Datta, Jiaming Cui, Zihan Guan +5

Accurate prediction of clinical outcomes using Electronic Health Records (EHRs) is critical for early intervention, efficient resource allocation, and improved patient care. EHRs c…

cs.LG2025

Prediction of Hospital Associated Infections During Continuous Hospital Stays

Rituparna Datta, Methun Kamruzzaman, Eili Y. Klein +4

The US Centers for Disease Control and Prevention (CDC), in 2019, designated Methicillin-resistant Staphylococcus aureus (MRSA) as a serious antimicrobial resistance threat. The ri…

cs.LG2025

CALYPSO: Forecasting and Analyzing MRSA Infection Patterns with Community and Healthcare Transmission Dynamics

Rituparna Datta, Jiaming Cui, Gregory R. Madden +1

Methicillin-resistant Staphylococcus aureus (MRSA) is a critical public health threat within hospitals as well as long-term care facilities. Better understanding of MRSA risks, eva…

cs.DS2025

Controlling the Spread of Epidemics on Networks with Differential Privacy

Dung Nguyen, Aravind Srinivasan, Renata Valieva +2

Designing effective strategies for controlling epidemic spread by vaccination is an important question in epidemiology, especially in the early stages when vaccines are limited. Th…

cs.LG2025

Benign Samples Matter! Fine-tuning On Outlier Benign Samples Severely Breaks Safety

Zihan Guan, Mengxuan Hu, Ronghang Zhu +2

Recent studies have uncovered a troubling vulnerability in the fine-tuning stage of large language models (LLMs): even fine-tuning on entirely benign datasets can lead to a signifi…