Bose, P. 2026. The Convergence of Data Virtualization and Federated Learning in Pharmaceutical Real-World Evidence (RWE) Generation: A Survey and Gap Research in Architectures, Tools, and Governance Challenges. International Journal of Artificial Intelligence, Data Science, and Machine Learning. 7, 1 (Feb. 2026), 209–216. DOI:https://doi.org/10.63282/3050-9262.IJAIDSML-V7I1P135.