Abstract. Although maps and partitions are ubiquitous in geographical information systems and spatial databases, there is only little work investigating their foundations. We give ...
Tinderbox, a hypertext tool for making, analyzing, and sharing notes, explores the use of collage to build and share linked conceptual structures. Adopting a simple, regular data ...
Abstract. Topological relationships between spatial objects in the twodimensional space have been investigated for a long time in a number of disciplines like artificial intellige...
Geographic Information Systems (GIS) showed their insufficiencies in front of complex requests for decision-makers. Resulting of the association of the databases and the decision-m...
Nowadays, many applications need data modeling facilities for the description of complex objects with spatial and/or temporal facilities. Responses to such requirements may be fou...