Alan M. Frisch, Brahim Hnich, Zeynep Kiziltan, Ian Miguel, Toby Walsh. Propagation algorithms for lexicographic ordering constraints. Artificial Intelligence, 170(10):803-834, 2006. [doi]
@article{FrischHKMW06,
title = {Propagation algorithms for lexicographic ordering constraints},
author = {Alan M. Frisch and Brahim Hnich and Zeynep Kiziltan and Ian Miguel and Toby Walsh},
year = {2006},
doi = {10.1016/j.artint.2006.03.002},
url = {http://dx.doi.org/10.1016/j.artint.2006.03.002},
tags = {constraints},
researchr = {https://researchr.org/publication/FrischHKMW06},
cites = {0},
citedby = {0},
journal = {Artificial Intelligence},
volume = {170},
number = {10},
pages = {803-834},
}