1. A method for enriching comparison data of decision making applications, by which an application user makes decisions by utilizing at least one evaluation frame, the method comprising: defining in a development environment a first decision making application by defining an application specific default database by: selecting attributes to be assessed; selecting items to be compared; linking the attributes to the items by default attribute values; and saving the defined default database of the first decision making application to a global database; in the global database: calculating from linked default attribute values of items of decision making applications included in the global database global attribute values to said items; and converting from the global attributes at least one local attribute to be included in a second decision making application, which has at least one attribute or item linked to an existing attribute or item in the global database whereby speeding up creation of the second decision making application.