1923 search results - page 68 / 385 » Ranking in Spatial Databases |
GIS
1997
ACM
13 years 11 months ago
1997
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involve...
IDEAS
2003
IEEE
14 years 1 months ago
2003
IEEE
This paper presents a method for representing uncertainty in spatial data in a database. The model presented requires moderate amounts of storage space. To compute the probability...
VLDB
1994
ACM
13 years 12 months ago
1994
ACM
In this paper, we consider various spatial relationships that are of general interest in pictorial database systems. We present a set of rules that allow us to deduce new relation...
TROB
2002
13 years 7 months ago
2002
Abstract--This paper investigates the synthesis of a spatial stiffness matrix using simple line springs. A new algorithm is developed, which enables the selection of constituent sp...
GIS
2004
ACM
14 years 9 months ago
2004
ACM
Data Warehouses and On-Line Analytical Processing systems rely on a multidimensional model that includes dimensions, hierarchies, and measures. Such model allows to express users&...