CSSDH: A Unified Ontology for Social Determinants ofHealth and Seamless Continuity of Care Data Exchange
An integrated ontological model—the Common Semantic Data Model for Social Determinants of Health (CSSDH)—which combines ISO/DIS 13940:2025 ContSys with the WHO framework for Social Determinants of Health is introduced, designed to enhance interoperability across the continuity of care networks.