@incollection{Bistarelli96,
author = "S. Bistarelli and H. Fargier and U. Montanari and F. Rossi and T. Schiex and G. Verfaillie",
booktitle = "Over-Constrained Systems",
editor = "M. Jampel and E. Freuder and M. Maher",
number = "1106",
pages = "111-150",
publisher = "Springer Verlag",
series = "LNCS",
title = "{S}emiring-based {CSP}s and {V}alued {CSP}s: {B}asic {P}roperties
                   and {C}omparison",
year = "1996",
}