The Joint European Support for Sustainable Investment in City Areas (JESSICA) is a policy initiative of the European Commission developed with the European Invest-ment Bank (EIB) and supported by the Council of Europe Development Bank (CEB). The primary objective of the JESSICA initiative is the...

"In geographic information systems (GIS) the collection, combination, analysis and visualization of spatial data is carried out in digital maps. Due to the significance of the location for this spatial data basis a commercial use of GIS seems to be suitable for the real estate economy. In German...