550 search results - page 4 / 110 » An Expressive Language for Linear Spatial Database Queries |
SAC
2008
ACM
13 years 7 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
EDBT
2010
ACM
13 years 5 months ago
2010
ACM
Spatial data are common in many scientific and commercial domains such as geographical information systems and gene/protein expression profiles. Querying for distribution patterns...
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...
ADBIS
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. The need for a user-friendly query language becomes increas
GIS
2009
ACM
14 years 2 days ago
2009
ACM
Data warehouses and On-Line Analytical Processing (OLAP) provide an analysis framework supporting the decision making process. In many application domains, complex analysis tasks ...