Stefano Bistarelli Simon N. Foley Barry O'Sullivan Francesco Santini From Marriages to Coalitions: A Soft CSP Approach. 1-15 2008 CSCLP http://dx.doi.org/10.1007/978-3-642-03251-6_1 conf/csclp/2008 db/conf/csclp/csclp2008.html#BistarelliFOS08