activity
20242026
collaborators

5 papers

cs.CR2026

A Multiparty Homomorphic Encryption Approach to Confidential Federated Kaplan Meier Survival Analysis

Narasimha Raghavan Veeraragavan, Svetlana Boudko, Jan Franz Nygård

The proliferation of real-world health data enables multi-institutional survival studies, yet privacy constraints preclude centralizing sensitive records. We present a privacy-pres…

cs.SE2025

Assessing Quantum Extreme Learning Machines for Software Testing in Practice

Asmar Muqeet, Hassan Sartaj, Aitor Arrieta +6

Machine learning has been extensively applied for classical software testing activities such as test generation, minimization, and prioritization. Along the same lines, there has b…

cs.CR2025

Federated Survival Analysis with Node-Level Differential Privacy: Private Kaplan-Meier Curves

Narasimha Raghavan Veeraragavan, Jan Franz Nygård

We investigate how to calculate Kaplan-Meier survival curves across multiple health-care jurisdictions while protecting patient privacy with node-level differential privacy. Each s…

cs.CR2025

Can One Safety Loop Guard Them All? Agentic Guard Rails for Federated Computing

Narasimha Raghavan Veeraragavan, Jan Franz Nygård

We propose Guardian-FC, a novel two-layer framework for privacy preserving federated computing that unifies safety enforcement across diverse privacy preserving mechanisms, includi…

cs.SE2024

Quantum Neural Network Classifier for Cancer Registry System Testing: A Feasibility Study

Xinyi Wang, Shaukat Ali, Paolo Arcaini +2

The Cancer Registry of Norway (CRN) is a part of the Norwegian Institute of Public Health (NIPH) and is tasked with producing statistics on cancer among the Norwegian population. F…