
GeoBI Architecture Based on Free Software 249
Users interested in analyzing this data must access separate systems, which
also limits the number of variables that can be requested. Furthermore,
each aggregation or different combinations of variables requires another
query to be issued.
On the other hand, CCP counts on publicly available spatial data that
refers to a wide variety of topics, e.g., administrative distribution, health
or economic regions, localization of beaches, bank agencies, schools,
clinics, crop distribution, risk zones, national park distribution, among
others. This spatial data is represented as a shape fi le (ESRI 1998) that ...