Methods and systems are provided for processing data objects in a computer system. In one embodiment, a method is provided that comprises (a) storing a first data object in a database in a non volatile storage, (b) creating a second data object assigned to the first data object, step (b) being triggered by step (a), and (c) processing the second data object by means of an object processor, the object processor creating a third data object using data contained in the second data object, data contained in the first data object and data contained in the database by applying a set of one or more pre-settable rules to the data contained in the first and second data objects and in the database.