2298 search results - page 75 / 460 » Querying spatial patterns |
101
Voted
ICCSA
2009
Springer
15 years 7 months ago
2009
Springer
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
119
Voted
AMW
2010
15 years 2 months ago
2010
In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted t...
97
Voted
BIRD
2007
Springer
15 years 6 months ago
2007
Springer
Abstract. We analyse data from the Edinburgh Mouse Atlas GeneExpression Database (EMAGE) which is a high quality data source for spatio-temporal gene expression patterns. Using a n...
106
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ICMI
2009
Springer
15 years 7 months ago
2009
Springer
Spatial language video retrieval is an important real-world problem that forms a test bed for evaluating semantic structures for natural language descriptions of motion on natural...
120
Voted
SIGMOD
1999
ACM
15 years 4 months ago
1999
ACM
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...