collaborators

5 papers

cs.AI2026

MINT: Min-Selection Preference Distillation for Balanced Multi-Objective Alignment

Tony Tu, Sayan Chakraborty, Ruomeng Xu +2

Aligning a language agent to several objectives at once is a persistent failure mode of preference-based training: when objectives are combined additively, optimization collapses o…

cs.GR2026

Toward Uncertainty Quantification in Modern Art

Tirtho Roy, Ushashi Bhattacharjee, Showrav Kumar Saha +3

Asked to animate the same modern artwork under different random seeds, a text to video model returns visibly different films, one reading per seed. Because modern art is ambiguous…

cs.LG2026

TRAPS: Treatment-Assignment Prediction via Pathway-informed Stratification

Sujoy Banik, Sayantan Chakraborty, Boishakhi Das Toma +4

Cancer treatment involves decisions across multiple clinical outcomes, yet pathway-informed deep learning models are typically evaluated in isolation, making their relative benefit…

cs.AI2026

Improving the Safety and Trustworthiness of Medical AI via Multi-Agent Evaluation Loops

Zainab Ghafoor, Md Shafiqul Islam, Koushik Howlader +6

Large Language Models (LLMs) are increasingly applied in healthcare, yet ensuring their ethical integrity and safety compliance remains a major barrier to clinical deployment. This…

cs.IR2025

Towards Robust Offline Evaluation: A Causal and Information Theoretic Framework for Debiasing Ranking Systems

Seyedeh Baharan Khatami, Sayan Chakraborty, Ruomeng Xu +1

Evaluating retrieval-ranking systems is crucial for developing high-performing models. While online A/B testing is the gold standard, its high cost and risks to user experience req…