1888 search results - page 1 / 378 » Algorithms for Querying by Spatial Structure |
VLDB
1998
ACM
13 years 9 months ago
1998
ACM
: Structural queries constitute a special form of content-basedretrieval where the user specifiesa set of spatial constraints among query variables and asks for all configurations ...
SSD
1995
Springer
13 years 9 months ago
1995
Springer
Abstract. An algorithm for ranking spatial objects according to increasing distance from a query object is introduced and analyzed. The algorithm makes use of a hierarchical spatia...
ICPP
1994
IEEE
13 years 9 months ago
1994
IEEE
E cient data-parallel spatial join algorithms for pmr quadtrees and R-trees, common spatial data structures, are presented. The domain consists of planar line segment data i.e., Bu...
GIS
2009
ACM
13 years 10 months ago
2009
ACM
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
GIS
1995
ACM
13 years 9 months ago
1995
ACM
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...