Abstract: A method and a device are provided for outputting data records on the basis of input data records entered by a user, a set of data records present in a database being structured via a tree structure, and search criteria and filter information items being assigned to nodes in the tree structure which are not terminal nodes.

Abstract: A storage medium on which geographic data of a geographic region are stored together as map units, a corresponding method for generating a map from the geographic data, and a corresponding navigation device. In order to reduce the amount of data to be processed, the map units are structured hierarchically, map units of an nth order respectively corresponding to one geographic partial region, n being a natural number, and map units of an (n+1)th order respectively corresponding to one geographic subregion of one of the partial regions.

Abstract: In a method for the input of a destination, first of all a category selection is made, destinations corresponding to the category selection subsequently being offered for selection, at least a portion of the destinations being assigned to at least one subordinate category that, in each instance, has a superordinate category, characterized in that a category selection is made such that in each case, a superordinate category is displayed for the category selection or the superordinate category is replaced by one or the plurality of categories subordinate to it, and in each instance, a replacement is made when the number of subordinate categories with respect to a superordinate category is less than a predefined first threshold value.

Abstract: A storage medium on which geographic data of a geographic region are stored together as map units, a corresponding method for generating a map from the geographic data, and a corresponding navigation device. In order to reduce the amount of data to be processed, the map units are structured hierarchically, map units of an nth order respectively corresponding to one geographic partial region, n being a natural number, and map units of an (n+1)th order respectively corresponding to one geographic subregion of one of the partial regions.

Abstract: A navigation device for a vehicle, in particular for a motor vehicle, has a hierarchical database containing a data tree with hierarchically arranged data and at least one geographic database containing data that are arranged in geographic subregions. A reference to at least one geographic database is provided in the hierarchical database.

Abstract: A method and a device are provided for outputting data records on the basis of input data records entered by a user, a set of data records present in a database being structured via a tree structure, and search criteria and filter information items being assigned to nodes in the tree structure which are not terminal nodes.

Abstract: A method for manipulating source data to determine a route from a predetermined starting point to a predetermined destination for a means of conveyance, in particular for a motor vehicle, airplane or ship, based on a digital database that includes predetermined route segments ki with correspondingly assigned nodes ni that interconnect respective route segments ki, where respective weights gi are assigned to the route segments ki and/or the nodes ni. The weights gi are varied, as a function of external events, before a route finding algorithm determines the route.