MPI-INF/SWS Research Reports 1991-2021
2. Number - only D1
MPI-I-2004-1-001
Filtering algorithms for the Same and UsedBy constraints
Beldiceanu, Nicolas and Katriel, Irit and Thiel, Sven
February 2004, 36 pages.
.Status: available - back from printing
We define the \Same\ and \UsedBy\ constraints. \UsedBy\ takes
two sets of variables $X$ and $Z$ such that $|X|\ge |Z|$ and
assigns values to them such that the multiset of values assigned
to the variables in $Z$ is contained in the multiset of values
assigned to the variables in $X$. \Same\ is the special case of
\UsedBy\ in which $|X|=|Z|$.
We show algorithms that achieve arc consistency and bound
consistency for these constraints.
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- Attachement: MPI-I-2004-1-001.ps (490 KBytes)
URL to this document: https://domino.mpi-inf.mpg.de/internet/reports.nsf/NumberView/2004-1-001
BibTeX@TECHREPORT{BeldiceanuKatrielThiel2004,
AUTHOR = {Beldiceanu, Nicolas and Katriel, Irit and Thiel, Sven},
TITLE = {Filtering algorithms for the {S}ame and {U}sed{B}y constraints},
TYPE = {Research Report},
INSTITUTION = {Max-Planck-Institut f{\"u}r Informatik},
ADDRESS = {Stuhlsatzenhausweg 85, 66123 Saarbr{\"u}cken, Germany},
NUMBER = {MPI-I-2004-1-001},
MONTH = {February},
YEAR = {2004},
ISSN = {0946-011X},
}