Reachability and Connectivity Queries in Constraint Databases
Summary: Augments standard constraint-query languages (FO+Lin, FO+Poly) with topological predicates to obtain closed languages that can express connectivity and reachability. Introduces Path Logic: closed, PTIME data complexity for linear/polynomial constraints, expresses rich path properties via discrete abstractions of continuous paths. (summarized by gpt-5-mini on Feb 09 2026)
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Authors
- 1. Michael Benedikt
- 2. Martin Grohe
- 3. Leonid Libkin
- 4. Luc Segoufin
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Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 1,741 | Relational Expressive Power of Constraint Query Languages | 1996 | PODS | 0.00010714223 |
| 2,357 | Topological Queries in Spatial Databases | 1996 | PODS | 8.9617862e-05 |
| 3,890 | Querying Spatial Databases via Topological Invariants | 1998 | PODS | 6.6604161e-05 |
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