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 |
|---|---|---|---|---|
| 3,892 | Querying Spatial Databases via Topological Invariants | 1998 | PODS | 6.6540282e-05 |
| 4,719 | Exact and Approximate Aggregation in Constraint Query Languages | 1999 | PODS | 5.9659829e-05 |
| 7,997 | Complete geometrical query languages (extended abstract) | 1997 | PODS | 4.606843e-05 |
| 12,690 | Reachability and Connectivity Queries in Constraint Databases | 2000 | PODS | 4.1905499e-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 |
|---|---|---|---|---|
| 618 | Constraint Programming and Database Languages: A Tutorial | 1995 | PODS | 0.00018990567 |
| 1,414 | Towards a Theory of Spatial Database Queries (Extended Abstract) | 1994 | PODS | 0.00012104556 |
| 1,648 | Finitely Representable Databases | 1994 | PODS | 0.00011007456 |
| 1,738 | Relational Expressive Power of Constraint Query Languages | 1996 | PODS | 0.00010704219 |
| 4,782 | Dense-Order Constraint Databases (Extended Abstract) | 1995 | PODS | 5.9233349e-05 |
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