This paper describes the implementation of a workflow management system to support mobile GIS workgroup applications and highlights the design of the workflow definition language t...
Abstract. One of the most important features in an urban geographic information system is the ability to locate addresses, in any form employed by the population, in a quick and ef...
Clodoveu A. Davis, Frederico T. Fonseca, Karla A. ...
With the phenomenal growth of the WWW, rich data sources on many different subjects have become available online. Some of these sources store daily facts that often involve textual...
Karla A. V. Borges, Alberto H. F. Laender, Claudia...
A new topic of great relevance and concern has been the design of efficient early warning systems to detect as soon as possible the emergence of spatial clusters. In particular, m...
One of the main challenges for the development of spatial information theory is the formalization of the concepts of space and spatial relations. Currently, most spatial data struc...
: 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&...
ceptual, or abstract level, a value of type moving point (type mpoint, for short) is a function from time into point values, and a moving region (mregion) value is a function from ...
Abstract Projects using geographic information tools involve a large variety of data objects, represented in different formats. Many efforts pursue standards to represent each kind...
In our aim to modernize geographical legacy data from the German office of geographical survey with XML languages, we first modeled the data in GML, a standard language for geograp...
: The performance of a walkthrough over terrain models is deeply influenced by the real scenario high level of details. To guarantee natural and smooth changes in a sequence of sce...