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ER
2009
Springer
92views Database» more  ER 2009»
16 years 1 months ago
On Matrix Representations of Participation Constraints
Abstract. We discuss the existence of matrix representations for generalised and minimum participation constraints which are frequently used in database design and conceptual model...
Sven Hartmann, Uwe Leck, Sebastian Link
CP
2005
Springer
16 years 4 days ago
SPREAD: A Balancing Constraint Based on Statistics
Many combinatorial problems require of their solutions that they achieve a certain balance of given features. In the constraint programming literature, little has been written to s...
Gilles Pesant, Jean-Charles Régin
CP
2005
Springer
16 years 4 days ago
From Linear Relaxations to Global Constraint Propagation
We present a method for propagating linear constraints. Our technique exploits the fact that the interior point method converges on a central point of the polytope. A variable assi...
Claude-Guy Quimper, Alejandro López-Ortiz
CP
2005
Springer
16 years 4 days ago
Eplex: Harnessing Mathematical Programming Solvers for Constraint Logic Programming
The eplex library of the ECLi PSe Constraint Logic Programming platform allows the integration of Mathematical Programming techniques with its native Constraint Logic Programming t...
Kish Shen, Joachim Schimpf
APLAS
2003
ACM
15 years 12 months ago
Constraint Functional Logic Programming for Origami Construction
We describe origami programming methodology based on constraint functional logic programming. The basic operations of origami are reduced to solving systems of equations which desc...
Tetsuo Ida, Mircea Marin, Hidekazu Takahashi