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ICDE
2007
IEEE
117views Database» more  ICDE 2007»
14 years 11 months ago
Unnesting Scalar SQL Queries in the Presence of Disjunction
Optimizing nested queries is an intricate problem. It becomes even harder if in a nested query the linking predicate or the correlation predicate occurs disjunctively. We present ...
Matthias Brantner, Norman May, Guido Moerkotte
ICML
2003
IEEE
14 years 10 months ago
Probabilistic Classifiers and the Concepts They Recognize
We investigate algebraic, logical, and geometric properties of concepts recognized by various classes of probabilistic classifiers. For this we introduce a natural hierarchy of pr...
Manfred Jaeger
MFCS
2007
Springer
14 years 4 months ago
Combinatorial Proof that Subprojective Constraint Satisfaction Problems are NP-Complete
Abstract. We introduce a new general polynomial-time constructionthe fibre construction- which reduces any constraint satisfaction problem CSP(H) to the constraint satisfaction pr...
Jaroslav Nesetril, Mark H. Siggers
GMP
2002
IEEE
164views Solid Modeling» more  GMP 2002»
14 years 2 months ago
Construct Piecewise Hermite Interpolation Surface with Blending Methods
Three methods are proposed to construct a piecewise Hermite interpolation surface (PHIS), which is a piecewise algebraic surface interpolating a set of given points with associated...
Xiao-Shan Gao, Ming Li
EUROMICRO
2000
IEEE
14 years 2 months ago
Behavior-Preserving Transformations for Design-for-Test
An important aspect in the design of hardware/software systems is design-for-test. Improving the testability of a hardware/software system typically implies improving the controll...
Jeroen Voeten, Harald P. E. Vranken