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
2004
Springer
14 years 5 months ago
2004
Springer
The paper introduces value precedence on integer and set sequences. A useful application of the notion is in breaking symmetries of indistinguishable values, an important class of ...