1. A method for navigating in a database, the database comprising a set of data and relations between the data of the set, the method comprising the steps of: selecting a first data and a first relation; finding second data related to the first data according to the first relation; displaying a three-dimensional representation of objects represented by the second data; selecting one of the displayed objects and a second relation; identifying, among the second data, data representative of the selected object and finding third data related to the identified second data according to the second relation; and displaying a three-dimensional representation of objects represented by the third data.