Byoungho Kang Kwang Ryel Ryu Enhanced Probabilistic Filtering for Improving the Efficiency of Local Searches. 531-540 2007 conf/ieaaie/2007 IEA/AIE http://dx.doi.org/10.1007/978-3-540-73325-6_53 db/conf/ieaaie/ieaaie2007.html#KangR07