@conference{Schiex00b,
author = "T. Schiex",
address = "Singapore",
booktitle = "Principles and Practice of Constraint Programming - CP                    2000",
month = "sep",
pages = "411-424",
series = "LNCS",
title = "{A}rc consistency for soft constraints",
volume = "1894",
year = "2000",
}