This paper is the last one in a series of four papers and presents a minimal geographic services’ specification, based in the core related to business requirements, specially sp...
Fernando Maciel Lima e Sousa, Valdevino Siqueira C...
Many aspects of spatial language concerned with relationships between spatial entities are essentially vague. Current GIS technology provides very little support for dealing with ...
Georeferenced information is growing every day, and geographical information systems are becoming crucial in many decision processes. As a consequence, extracting knowledge from G...
The Internet creates an environment suitable to spatial data share, allowing the users to transmit, visualize, manipulate and interact with them. This environment not only allows n...
David Cavassana Costa, Mario Meireles Teixeira, An...