Memory Geographic information systemVersión en línea The main tool are digital maps por Laura Marcela Guerrero Vera Geocoding generates information for decision making It is based on computers that allow the integration of data. Connect maps with databases Facilitates the visualization of a map in order to reflect geographical phenomena of any type Each record or digital object has an identified position. SIG: Model of a part of the reality referred to a system of terrestrial coordinates and constructed to satisfy some concrete information needs It is based on computers that allow the manipulation of data.