@techreport{,
TITLE = {Filtering algorithms for the Same and {UsedBy} constraints},
AUTHOR = {Beldiceanu, Nicolas and Katriel, Irit and Thiel, Sven},
LANGUAGE = {eng},
NUMBER = {MPI-I-2004-1-001},
INSTITUTION = {Max-Planck-Institut f{\"u}r Informatik},
ADDRESS = {Saarbr{\"u}cken},
YEAR = {2004},
DATE = {2004-01},
TYPE = {Research Report},
}