1. A method for creating a relational database schema, comprising accessing ( 110 , 210 ) a reference ontology ( 101 ) comprising a first number of concepts and a second number of properties, selecting ( 120 , 220 ) a first set of concepts from the reference ontology ( 101 ), determining ( 130 , 230 ) a first set of properties from said second number of properties, associated with the selected first set of concepts, determining ( 140 , 240 ) a second set of concepts associated with the determined first set of properties, and generating ( 150 , 250 ) a relational database schema comprising a number of tables, of which at least one table pertains to a concept of said second set of concepts.