Fixed-Point Query Languages for Linear Constraint Databases
Summary: Defines a family of query languages for linear-constraint databases over the reals using two-sorted structures that separate real values from a decomposition into regions. Fixed-point/transitive-closure operators restricted to regions precisely capture standard complexity classes including PTIME. (summarized by gpt-5-mini on Feb 09 2026)
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| Rank | Cited Paper | Year | Venue | Pagerank |
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| 2,851 | On the Decidability of Semi-Linearity for Semi-Algebraic Sets and its Implications for Spatial Databases (extended abstract) | 1997 | PODS | 8.0155027e-05 |
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