33 search results - page 1 / 7 » Spatial vagueness and imprecision in databases |
SAC
2008
ACM
13 years 4 months ago
2008
ACM
The impossibility of current spatial database systems and GIS to handle spatial vagueness and imprecision has been recognized as an important problem in the spatial database domai...
VLDB
1990
ACM
13 years 8 months ago
1990
ACM
A probabilistic learning model for vague queries and missing or imprecise information in databases is described. Instead of retrieving only a set of answers, our approach yields a...
SSD
2005
Springer
13 years 10 months ago
2005
Springer
Topological predicates are an important element of database systems that allow manipulation of spatial data. Based on the necessity for such systems to handle uncertainty, we intro...
GEOINFORMATICA
1998
13 years 4 months ago
1998
An important component of spatial data quality is the imprecision resulting from the resolution at which data are represented. Current research on topics such as spatial data inte...
ADBIS
2004
Springer
13 years 10 months ago
2004
Springer
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague n...