Abstract: A method and a computer system for storing data files in a data memory, wherein meta attributes comprising subject attributes, object attributes and relationships between these attributes are assigned to a data file. The meta attributes are selected from a meta attribute model or a knowledge card in which the meta attributes are structured in accordance with their meaning and context. A respective datafile is stored in the data memory on the basis of the meta attributes assigned thereto. The meta attributes assigned to a data file can be added to the data file or can be associated with the data file by means of a unique link.