13 search results - page 2 / 3 » ROSA: An Algebra for Rough Spatial Objects in Databases |
SSD
1993
Springer
13 years 9 months ago
1993
Springer
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
SAC
2005
ACM
13 years 10 months ago
2005
ACM
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague ...
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...
SSD
2007
Springer
13 years 11 months ago
2007
Springer
Topological relationships between spatial objects are important for querying, reasoning, and indexing of data within spatial databases. These relationships are qualitative and resp...
GIS
2008
ACM
14 years 6 months ago
2008
ACM
It has been pointed out repeatedly that spatial operations must be extended to include support for 3D and moving objects. The attempt to code by hand each spatial operation for ea...