Sciweavers

GEOINFO
2004
13 years 5 months ago
Ontology-driven Resolution of Semantic Heterogeneities in GDB Conceptual Schemas
: As the geographic information system (GIS) community grows, more and more people needs to share geographic information. As modern GIS data is stored in geographic databases their...
Guillermo Nudelman Hess, Cirano Iochpe
GEOINFO
2004
13 years 5 months ago
Temporal Constraints Between Cyclic Geographic Events
Abstract: This paper presents a data model for cyclic geographic events useful for nextgeneration geographic information system design. The paper introduces a structure that captur...
Jorge Campos, Kathleen Hornsby
GEOINFO
2004
13 years 5 months ago
Parallel Volume Rendering for Ocean Visualization in a Cluster of PCs
Volume rendering techniques can be very useful in geographical information systems to provide meaningful and visual information about the surface and the interior of 3D datasets. ...
Alexandre Coelho, Marcio Nascimento, Cristiana Ben...
GEOINFO
2004
13 years 5 months ago
Approximate Spatial Query Processing using Raster Signatures
: Nowadays, the database characteristics, such as the huge volume of data, the complexity of the queries, and even the data availability, can demand minutes or hours to process a q...
Leonardo Guerreiro Azevedo, Rodrigo Salvador Monte...
GEOINFO
2004
13 years 5 months ago
Spatio-Temporal Database Constraints for Spatial Dynamic Simulation
: Spatial Dynamic Simulation Systems have three main components: the space dimension, the time dimension and the dynamic process. Dynamic processes have been modeled by transition ...
Bianca Maria Pedrosa, Luiz Camolesi Jr., Gilberto ...
GEOINFO
2004
13 years 5 months ago
Mediated Geographic Web Feature Services
Abstract With the proliferation of Geographic Information Systems (GIS) and spatial resources over the Internet, there is an increasing demand for robust geospatial information ser...
Mehdi Essid, Omar Boucelma
GEOINFO
2004
13 years 5 months ago
Design and Implementation Issues for Explorative Location-based Applications: The NexusRallye
: Explorative Location-based Applications (eLBA), define a new class of applications that rely on both positioning (i.e. location information) and georeferenced information in addi...
Daniela Nicklas, Nicola Hönle, Michael Molten...
GEOINFO
2004
13 years 5 months ago
A Roadmap to Extending GIS For Public Utility Companies
Abstract Emergency management, leakage handling and maintenance of distribution networks are among the most essential tasks a public utility faces. Geo information systems are freq...
Kathrin Kirchner, Johannes Ruhland