Geographical data management in GIS systems

By the specific data and functions the geographic information system is an indispensable tool used in urban management from the perspective of a decision support system. Processing and synthesizing information from the spatial database provides necessary indices and indicators for understanding urban situation, which in relation with analysis and simulation applications give support for a short, medium and long term urban planning, and at the same time allows useful spatial views for understanding by the urban non-specialists of the necessary spatial elements for decision-making process.