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Abstract

A navigation system includes a database that stores navigation data used for providing the navigation information to the user, the navigation data being stored in data sets. An application is configured to process the navigation data in order to generate the navigation information. A parsing unit parses the data sets in such a way that a data structure of the data sets is identified and that the data sets can be executed by the application, wherein the navigation data contain first data sets which have been parsed by the parsing unit and which are stored in the database as pre-parsed data sets, each of the first data sets containing an indication that the data set is a pre-parsed data set, the navigation data further containing second data sets which have not been parsed and which are stored in the database as unparsed data sets. Each of the second data sets contains an indication that the data set is an unparsed data set. A control unit selects a data set needed to generate the navigation information and detects the indication of the data set, wherein the control unit, based on the indication of the data set, is configured to direct the selected data set to the parsing unit when identifying the selected data set as a second data set, or to a working memory of the navigation system from where the application accesses the selected data set, when identifying the selected data set as a second data set.

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