3 papers
cs.AI2025
Equity-Aware Geospatial AI for Forecasting Demand-Driven Hospital Locations in Germany
Piyush Pant, Marcellius William Suntoro, Ayesha Siddiqua +2
This paper presents EA-GeoAI, an integrated framework for demand forecasting and equitable hospital planning in Germany through 2030. We combine district-level demographic shifts,…
cs.CR2025
GREAT: Generalizable Backdoor Attacks in RLHF via Emotion-Aware Trigger Synthesis
Subrat Kishore Dutta, Yuelin Xu, Piyush Pant +1
Recent work has shown that RLHF is highly susceptible to backdoor attacks. However, existing methods often rely on rare tokens or fixed triggers, limiting their impact in realistic…
cs.CL2025
Improving LLM Safety and Helpfulness using SFT and DPO: A Study on OPT-350M
Piyush Pant
This research investigates the effectiveness of alignment techniques, Supervised Fine-Tuning (SFT), Direct Preference Optimization (DPO), and a combined SFT+DPO approach on improvi…