321 search results - page 18 / 65 » A Topological Data Model for Spatial Databases |
ICDAR
2009
IEEE
14 years 2 months ago
2009
IEEE
In this research, we propose CAD data mining technique to obtain semantic elements without prior knowledge about plans being designed. Our method consists of two steps. The first ...
ISCI
2007
13 years 7 months ago
2007
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
SSDBM
2010
IEEE
14 years 24 days ago
2010
IEEE
We present a technique for organizing data in spatial databases with non-convex domains based on an automatic characterization using the medial-axis transform (MAT). We define a t...
SAC
2005
ACM
14 years 1 months ago
2005
ACM
Simulations of complex scientific phenomena involve the execution of massively parallel computer programs. These simulation programs generate large-scale multidimensional data set...
PUK
2003
13 years 9 months ago
2003
This paper exploits the spatial representation of state space problem graphs to preprocess and enhance heuristic search engines. It combines classical AI exploration with computati...