01138nam--2200361---450-99000307448020331620080418153721.03-540-21181-0000307448USA01000307448(ALEPH)000307448USA0100030744820080305d2004----km-y0itay50------baengDE||||||||001yySemirings for soft constraint solving and programmingStefano BistarelliBerlin [etc.]Springercopyr. 2004XII, 279 p.ill.24 cmLecture notes in computer science29622001Lecture notes in computer science2962Programmazione <informatica>005.11BISTARELLI,Stefano600492ITAsalbcISBD990003074480203316001 LNCS 296231047/CBS00100114816BKSCIANGELA9020080305USA010920ANGELA9020080418USA011537Semirings for soft constraint solving and programming1023382UNISA