Iden, FrankHilty, Lorenz M.Gilgen, Paul W.2019-09-162019-09-162001https://dl.gi.de/handle/20.500.12116/26678FIS-Broker is a keypart of the Urban and Environmental Information System of the Berlin Ministry for Urban Development. Through an easy to handle uniform browser-tool the FIS-Broker makes data available, which were previously only available in specialised informationsystems. To access these data, the user requires no knowledge of the hard- or software. The data remain unchanged at source. Access is facilitated via the FIS-Broker's metainformationsystem. FIS-Broker will assist the user in finding, visualising and providing information. It's spatial relation service will allow for the combining of heterogeneous databases . The components of the FIS-Broker can also be used directly in any module of the entire specific information systems.Einheitliche Zugriffsmethoden in einer heterogenen SystemlandschaftText/Conference Paper