With the increasing availability of locating and navigation technologies on portable wireless
devices, huge amounts of location data are being captured at ever growing rates. Spatial …

Data aggregation in Geographic Information Systems (GIS) is a desirable feature, only
marginally present in commercial systems nowadays, mostly through ad hoc solutions. We …

Abstract Geographic Information Systems (GIS) have been extensively used in various
application domains, ranging from economical, ecological and demographic analysis, to city …

Spatial data warehouses (SDW) rely on extended multidimensional (MD) models in order to
provide decision makers with appropriate structures to intuitively explore spatial data by …

A number of proposals for integrating geographical (Geographical Information Systems—
GIS) and multidimensional (data warehouse—DW and online analytical processing—OLAP) …

In recent years, applications aimed at exploring and analyzing spatial data have emerged,
powered by the increasing need of software that integrates Geographic Information Systems …

Abstract OnLine Analytical Processing (OLAP) tools act as support systems for Decision
Makers to discover new knowledge hidden within data warehouses. In the spatial domain …

Abstract Data aggregation in Geographic Information Systems (GIS) is a desirable feature,
spatial data are integrated in OLAP engines for this purpose. However, the development and …

A number of studies have been developed in recent years aimed at integrating pertinent
concepts and technologies for analytical multidimensional (OLAP) and geographic (GIS) …

Spatial OLAP (SOLAP) integrates spatial data into OLAP systems, and SOLAP models
define spatial dimensions while measuring spatio-multidimensional operators. In this paper …