81 search results - page 9 / 17 » Modeling and Querying Vague Spatial Objects Using Shapelets |
DEXAW
1999
IEEE
15 years 2 months ago
1999
IEEE
ing spatio-temporal data as abstract data types into already existing data models is a promising approach to creating spatio-temporal query languages. In this context, an importan...
MOBIDE
2006
ACM
15 years 3 months ago
2006
ACM
Composition of temporal and spatial properties of real world objects in a unified data framework results into Moving Object Databases (MOD). MODs are able to process, manage and a...
ICVGIP
2008
14 years 11 months ago
2008
In recent years, the subject of occlusion culling of large 3D environments has received substantial contribution. However the major amount of research into the area has focussed o...
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DASFAA
2004
IEEE
15 years 1 months ago
2004
IEEE
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...
APWEB
2005
Springer
15 years 3 months ago
2005
Springer
Summarizing topological relations is fundamental to many spatial applications including spatial query optimization. In this paper, we examine the selectivity estimation for range w...