76 search results - page 1 / 16 » Querying Spatial Databases via Topological Invariants |
JCSS
2000
13 years 4 months ago
2000
The paper investigates the use of topological annotations (called topological invariants) to answer topological queries in spatial databases. The focus is on the translation of to...
TOCL
2002
13 years 4 months ago
2002
One important class of spatial database queries is the class of topological queries, that is, queries invariant under homeomorphisms. Westudy topological queries expressible in th...
GIS
2005
ACM
14 years 6 months ago
2005
ACM
Topological predicates, as derived from the 9-intersection model, have been widely recognized in GIS, spatial database systems, and many other geo-related disciplines. They are ba...
DKE
2002
13 years 4 months ago
2002
Topological invariants of spatial databases (i.e., finite structures that capture the topological properties of the database) are receiving increasing attention since they can act...
ICDT
1997
ACM
13 years 9 months ago
1997
ACM
We consider spatial databases and queries definable using first-order logic and real polynomial inequalities. We are interested in topological queries: queries whose result only ...