Sciweavers

152 search results - page 11 / 31
» gis 2007
Sort
View
GIS
2007
ACM
15 years 11 months ago
Cluster By: a new sql extension for spatial data aggregation
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
Chengyang Zhang, Yan Huang
GIS
2007
ACM
15 years 11 months ago
An interactive framework for raster data spatial joins
Many Geographic Information System (GIS) applications must handle large geospatial datasets stored in raster representation. Spatial joins over raster data are important queries i...
Wan D. Bae, Petr Vojtechovský, Shayma Alkob...
75
Voted
GEOINFO
2003
14 years 11 months ago
The Web as a Data Source for Spatial Databases
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...
FUZZIEEE
2007
IEEE
15 years 2 months ago
A System for Querying with Qualitative Distances in Networks
A central role of Geographic Information Systems (GIS) is to allow the identification and visualisation of relevant spatial features from typically large volumes of data. This requ...
Carl P. L. Schultz, Hans W. Guesgen, Robert Amor
ENVSOFT
2007
109views more  ENVSOFT 2007»
14 years 10 months ago
The Automated Geospatial Watershed Assessment tool
A toolkit for distributed hydrologic modeling at multiple scales using two independent models within a geographic information system is presented. This open-source, freely availab...
Scott N. Miller, Darius J. Semmens, David C. Goodr...