We consider two-dimensional spatial databases defined in terms of polynomial inequalities and investigate the expressibility of the topological connectivity query for these databa...
We consider two-dimensional spatial databases defined in terms of polynomial inequalities and focus on the potential of programming languages for such databases to express queries...
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...
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...
d abstract) Michael Benedikt Bell Labs Jan Van den Bussche Limburgs Universitair Centrum Christof L?oding Lehrstuhl Informatik VII RWTH Aachen Thomas Wilke Institut f?ur Informatik...