2009

Range and Roots: Two common patterns for specifying and propagating counting and occurrence constraints (pdf).
Christian Bessiere, Emmanuel Hebrard, Brahim Hnich, Zeynep Kiziltan and Toby Walsh. Artificial Intelligence, 173 (11), 299-328, July 2009.

Filtering algorithms for the multiset ordering constraint.
Alan Frisch, Brahim Hnich, Zeynep Kiziltan, Ian Miguel and Toby Walsh. Artificial Intelligence, 173 (2), 299-328, 2009.

2007

The Complexity of Global Constraints.
Christian Bessiere, Emmanuel Hebrard, Brahim Hnich, and Toby Walsh. Constraints, 12 (2), 239-259, 2007.

2006

Filtering algorithms for the NVALUE constraint.
Christian Bessiere, Emmanuel Hebrard, Brahim Hnich, Zeynep Kiziltan, and Toby Walsh. Constraints, 11 (4), 271-293, 2006. Note that Figure 4 in the printed journal version contains an arrow which is accidently reversed. This is corrected in the versions here.

2004

Symmetry Breaking Ordering Constraints.
Z. Kiziltan In Communications of AI, 17(3), 167--169, 2004.