2674 search results - page 32 / 535 » Data Models and Query Languages for Spatial Databases |
DBPL
1997
Springer
13 years 11 months ago
1997
Springer
We consider spatial databases that can be defined in terms of polynomial inequalities, and we are interested in monotonic transformations of spatial databases. We investigate a hi...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the inquirer. Efficient processing of LBSQs is of critical importance with th...
GIS
2010
ACM
13 years 2 months ago
2010
ACM
It is now common for video; real-time and collected, mobile and static, to be georeferenced and stored in large archives for users of expert systems to access and interact with. I...
EDBT
2000
ACM
13 years 11 months ago
2000
ACM
the research activities. This abstract is to introduce the approach of a data model - EP data model. Its data structure is able to store as a finite set of nodes arbitrary effectiv...
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...