Marius-Calin Silaghi Robert N. Lass Evan Sultanik William C. Regli Toshihiro Matsui Makoto Yokoo Constant Cost of the Computation-Unit in Efficiency Graphs for DCOP Solvers. 380-384 2008 IAT http://dx.doi.org/10.1109/WIIAT.2008.427 conf/iat/2008 db/conf/iat/iat2008.html#SilaghiLSRMY08