496 search results - page 30 / 100 » A System for Geographical and Spatial Data Exploration on th... |
PODS
1999
ACM
14 years 29 days ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
SAC
2002
ACM
13 years 8 months ago
2002
ACM
Many organizations have large quantities of spatial data collected in various application areas, including remote sensing, geographical information systems (GIS), astronomy, compu...
IWMMDBMS
1996
13 years 10 months ago
1996
The maintenance of large raster images under spatial operations is still a major performance bottleneck. For reasons of storage space, images in a collection, such as satellite pi...
GIS
2010
ACM
13 years 7 months ago
2010
ACM
We present Ontuition, a system for mapping ontologies. Transforming data to a usable format for Ontuition involves recognizing and resolving data values corresponding to concepts ...
WWW
2003
ACM
14 years 9 months ago
2003
ACM
As users get connected with new-generation smart programmable phones and Personal Digital Assistants, they look for geographic information and location-aware services. In such a s...