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Note: Links lead to the DBLP on the Web. Stephan Kreutzer 3 Stephan Kreutzer: Query Languages for Constraint Databases: First-Order Logic, Fixed-Points, and Convex Hulls. ICDT 2001 : 248-262 2 Stephan Kreutzer: Fixed-Point Query Languages for Linear Constraint Databases. PODS 2000 : 116-125 1 Erich Grädel , Stephan Kreutzer: Descriptive Complexity Theory for Constraint Databases. CSL 1999 : 67-81 DiSC'01 Copyright ©2002 ACM Inc. |
