@INPROCEEDINGS{Ru:cp-soft99,
        TITLE = "Uniform framework for solving over-constrained
                 and optimization problems",
        AUTHOR = "Hana Rudov\'{a} and Lud\v{e}k Matyska",
        BOOKTITLE = "CP'99 Post-Conference Workshop on Modelling
                     and Solving Soft Constraints",
        ADRESS = "Alexandria, Virginia, USA",
        YEAR = 1999,
         URL = "http://www.fi.muni.cz/~hanka/publ/cp-soft99.ps",
}