Solving 'Still Life' with Soft Constraints and Bucket Elimination.

Javier Larrosa Enric Morancho Solving 'Still Life' with Soft Constraints and Bucket Elimination. 466-479 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2833&spage=466 2003 conf/cp/2003 CP db/conf/cp/cp2003.html#LarrosaM03