Oscar.cbls is a framework for constraint based lo cal search. Constraint-based
lo cal search is a technique for solving combinatorial problems including b oth
constraint and optimization problems. Oscar.cbls is based on the reference b o ok
. Oscar.cbls is part of the OscaR project, and is freely available under the
LGPL V2.1 Op en Source license [2, 3]. Oscar.cbls is around 17k LOC big, most ly
written in Scala.