4 papers
ABM-SIRTEM: A Hybrid Agent-Based and Epidemiological Model for Pandemic Response
Sheryl Paul, Samuel Williams, Preetom K. Biswas +2
The COVID-19 pandemic has had profound impacts on global health, social structures, and economies. It disproportionately affected lower socioeconomic groups and those reliant on in…
Diffusion-Guided Search via Exponential Tilting (DiffTilt): An Application to Falsification of Safety-Critical Systems
Tanmay Khandait, Preetom Biswas, Hideki Okamoto +3
Discovering rare safety-critical failures in autonomous and cyber-physical systems is a fundamental challenge in verification and validation. Existing falsification approaches rely…
Causality by Abstraction: Symbolic Rule Learning in Multivariate Timeseries with Large Language Models
Preetom Biswas, Giulia Pedrielli, K. Selçuk Candan
Inferring causal relations in timeseries data with delayed effects is a fundamental challenge, especially when the underlying system exhibits complex dynamics that cannot be captur…
ViTaB-A: Evaluating Multimodal Large Language Models on Visual Table Attribution
Yahia Alqurnawi, Preetom Biswas, Anmol Rao +3
Multimodal Large Language Models (mLLMs) are often used to answer questions in structured data such as tables in Markdown, JSON, and images. While these models can often give corre…