980 search results - page 173 / 196 » GIS |
SSD
2001
Springer
13 years 11 months ago
2001
Springer
The design of external index structures for one- and multidimensional extended objects is a long and well studied subject in basic database research. Today, more and more commercia...
CGI
2000
IEEE
13 years 11 months ago
2000
IEEE
Three-dimensional maps are fundamental tools for presenting, exploring, and manipulating geo data. This paper describes multiresolution concepts for 3D maps and their texture-base...
HICSS
2000
IEEE
13 years 11 months ago
2000
IEEE
Advances in geographical information systems (GIS) and supporting data collection technology has resulted in the rapid collection of a huge amount of spatial data. However, known ...
IDEAS
2000
IEEE
13 years 11 months ago
2000
IEEE
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
ADC
2000
Springer
13 years 11 months ago
2000
Springer
Advanced object-oriented applications require the management of schema versions, in order to cope with changes in the structure of the stored data. Two types of versioning have be...