CPAIOR
2009
Springer
14 years 6 months ago
2009
Springer
Context-free grammar constraints enforce that a sequence of variables forms a word in a language defined by a context-free grammar. The constraint has received a lot of attention ...
CPAIOR
2009
Springer
14 years 6 months ago
2009
Springer
An attractive mechanism to specify global constraints in rostering and other domains is via formal languages. For instance, the REGULAR and GRAMMAR constraints specify constraints ...