3 papers
cs.AI2026
Temporal Evidence Allocation For Longitudinal Clinical Retrieval: A Position And Technical Report
Soumya Ranjan Sahoo, Divya Bharti, Sanand Sasidharan
Electronic health records are written to support care, not retrieval. Across years of oncology notes, the primary diagnosis is restated in report after report, while the events tha…
cs.IR2026
Negation is Not Semantic: Diagnosing Dense Retrieval Failure Modes for Trade-offs in Contradiction-Aware Biomedical QA
Soumya Ranjan Sahoo, Gagan N., Sanand Sasidharan +1
Large Language Models (LLMs) have demonstrated strong capabilities in biomedical question answering, yet their tendency to generate plausible but unverified claims poses serious ri…
eess.IV2025
AAD-DCE: An Aggregated Multimodal Attention Mechanism for Early and Late Dynamic Contrast Enhanced Prostate MRI Synthesis
Divya Bharti, Sriprabha Ramanarayanan, Sadhana S +5
Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) is a medical imaging technique that plays a crucial role in the detailed visualization and identification of tissue p…