CSCW
1996
ACM
13 years 9 months ago
1996
ACM
Many collaborative and communicative environments use notions of "space" and spatial organisation to facilitate and structure interaction. We argue that a focus on spati...
DBPL
1997
Springer
13 years 9 months ago
1997
Springer
We consider spatial databases that can be defined in terms of polynomial inequalities, and we are interested in monotonic transformations of spatial databases. We investigate a hi...
COSIT
1997
Springer
13 years 9 months ago
1997
Springer
Abstract. Although maps and partitions are ubiquitous in geographical information systems and spatial databases, there is only little work investigating their foundations. We give ...
SPATIALCOGNITION
1998
Springer
13 years 9 months ago
1998
Springer
In the course of acquiring knowledge about layouts and maps spatial information can undergo considerable changes and distortions, which systematically affect knowledge-based judgme...
KDD
1998
ACM
13 years 9 months ago
1998
ACM
1 The number and the size of spatial databases, e.g. for geomarketing, traffic control or environmental studies, are rapidly growing which results in an increasing need for spatial...
ER
1998
Springer
13 years 9 months ago
1998
Springer
Abstract: Currently, there are strong efforts to integrate spatial and temporal database technology into spatio-temporal database systems. This paper views the topic from a rather ...
SSD
1999
Springer
13 years 9 months ago
1999
Springer
There is an increasing need to integrate spatial index structures into commercial database management systems. In geographic information systems (GIS), huge amounts of information ...
ISD
1999
Springer
13 years 9 months ago
1999
Springer
The successful development of any geographic information system project needs the careful design and implementation of spatial databases via conceptual and logical data-modeling. T...
GIS
1999
ACM
13 years 9 months ago
1999
ACM
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
GIS
1999
ACM
13 years 9 months ago
1999
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 involv...