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Spatial Data Warehouse: Subject-oriented,
non volatile, time variant and integrated reposi-
tory of spatial data that is designed to facilitate
reporting and spatial analysis.
Multidimensional Model: Conceptual model
for the multidimensional analysis of huge datasets,
based on the concepts of dimensions, facts and
measures.
Geographic Information System: Informa-
tion system for capturing, storing, analyzing,
managing and presenting data that are spatially
referenced.
Spatial Decision Support System: Interac-
tive, computer-based system designed to support
a user or group of users in achieving a higher
effectiveness of decision making while solving
a semi-structured spatial problem.

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KEY TERMS AND DEFINITIONS

Spatial OLAP: Visual platform built espe-
cially to support rapid and easy spatio-temporal
analysis and exploration of data following a mul-
tidimensional approach comprised of aggregation
levels available in cartographic displays as well
as in tabular and diagram displays.