43 search results - page 5 / 9 » Vague Spatial Data Types, Set Operations, and Predicates |
COSIT
1997
Springer
14 years 1 days 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 ...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
Traditional databases have focused on the issue of reducing I/O cost as it is the bottleneck in many operations. As databases become increasingly accepted in areas such as Geograp...
APCCM
2006
13 years 9 months ago
2006
The integration of data from different sources often leads to the adoption of schemata that entail a loss of information in respect of one or more of the data sets being combined....
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Declarative data quality has been an active research topic. The fundamental principle behind a declarative approach to data quality is the use of declarative statements to realize...
PODS
1999
ACM
14 years 5 days ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...