3 papers
cs.CR2026
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.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.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…