98 search results - page 1 / 20 » Range Queries Involving Spatial Relations: A Performance Ana... |
COSIT
1995
Springer
13 years 8 months ago
1995
Springer
: Spatial relations are becoming an important aspect of spatial access methods because of the increasing interest on qualitative spatial information processing. In this paper we sh...
PODS
1993
ACM
13 years 9 months ago
1993
ACM
In this paper, we motivate four di erent user de ned window query classes and derive a probabilistic model for each of them. For each model, we characterize the e ciency of spatia...
GIS
1998
ACM
13 years 4 months ago
1998
ACM
Geographical Information Systems (GIS) involve the manipulation of large spatial data sets, and the performance of these systems is often determined by how these data sets are orga...
CIKM
2000
Springer
13 years 8 months ago
2000
Springer
Geographic Information Systems (GISs) have become an essential tool for efficient handling of our natural and artificial environment. The most important activities in a GIS are qu...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...