CPAIOR
2009
Springer
13 years 11 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
13 years 11 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 ...