: This paper introduces the concept of Ontology based Geo-Object Catalog (OGOC). An OGOC acts as a focal point for a federation of independent geoobject sources, providing consolid...
Daniela F. Brauner, Marco A. Casanova, Carlos Jos&...
In this paper, we propose a methodology developed in the framework of the VISPO project for engineering a three-layer ontology, based on the conceptualization, integration, synthes...
Visual programming languages (VPLs) provide notations for representing both the intermediate and the final results of a knowledge engineering process. Whereas some VPLs particula...
The Nhan Luong, Patrick Etcheverry, Christophe Mar...
Data Warehouse (DW), On-Line Analytical Processing (OLAP) and Geographical Information System (GIS) are tools for providing decision-making support. Much research is aimed at inte...
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 operatio...