desktop application that use oracle spatial

Define in the proper way nodes and links of the network, and verify the correctness of the database. Then you write some applications against your database. Suppose that you want to find a route for driving from chosen starting point to a given destination. You will use streets from your database. You will apply following criteria for a route. - The minimal number of different streets on the route. - The minimal sum of lengths of parts of streets that are used in the route In the second application you will find the names of restaurants that are within given (driving) distance from the starting position.