Topological Queries in Spatial Databases
Summary: Region-based languages from Egenhofer–Franzosa relations are expressively complete for 2D topological properties and range in complexity from NC to undecidable. The NC fragment matches point-based expressiveness, and semi-algebraic regions admit NC-computable finite invariants (and polygonal reps), so topological queries reduce to finite-structure queries. (summarized by gpt-5-mini on Feb 09 2026)
Incoming Non-self Citations Over Time
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Incoming Citations (Sorted by Pagerank)
Showing 4 of 4 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 3,890 | Querying Spatial Databases via Topological Invariants | 1998 | PODS | 6.6604161e-05 |
| 4,723 | Exact and Approximate Aggregation in Constraint Query Languages | 1999 | PODS | 5.9714196e-05 |
| 7,993 | Complete geometrical query languages (extended abstract) | 1997 | PODS | 4.6112654e-05 |
| 12,681 | Reachability and Connectivity Queries in Constraint Databases | 2000 | PODS | 4.1945683e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 5 of 5 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 620 | Constraint Programming and Database Languages: A Tutorial | 1995 | PODS | 0.00019005954 |
| 1,415 | Towards a Theory of Spatial Database Queries (Extended Abstract) | 1994 | PODS | 0.0001211468 |
| 1,649 | Finitely Representable Databases | 1994 | PODS | 0.00011017687 |
| 1,741 | Relational Expressive Power of Constraint Query Languages | 1996 | PODS | 0.00010714223 |
| 4,778 | Dense-Order Constraint Databases (Extended Abstract) | 1995 | PODS | 5.9290535e-05 |
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