ECAI
2006
Springer
14 years 3 months ago
2006
Springer
We present a comprehensive study of the use of value precedence constraints to break value symmetry. We first give a simple encoding of value precedence into ternary constraints th...
CP
2007
Springer
14 years 5 months ago
2007
Springer
Symmetry is an important factor in solving many constraint satisfaction problems. One common type of symmetry is when we have symmetric values. We can eliminate such value symmetr...