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Yan Georget

Yan Georget has a degree from Paris-based
Ecole Polytechnique
and a Ph.D. in computer science from
He worked several years in the software industry as technical lead and project
In 2002, he co-founded Koalog,
a software company specialized in Java components for combinatorial



Sudoku puzzles are wildly popular, and offer an ideal introduction to constraint programming (CP). Rather than using brute force to find every possible solution, CP allows you to specify what must be true in a problem space, and then efficiently finds an answer. Yan Georget shows how this works.
This article shows how to solve a hard scheduling problem (scheduling a golf tournament), using Koalog Constraint Solver, a Java library for constraint programming.