A multi-level search framework for asynchronous cooperation of multiple hyper-heuristics.

Djamila Ouelhadj Sanja Petrovic Ender Ozcan A multi-level search framework for asynchronous cooperation of multiple hyper-heuristics. 2193-2196 2009 GECCO (Companion) http://doi.acm.org/10.1145/1570256.1570300 conf/gecco/2009c db/conf/gecco/gecco2009c.html#OuelhadjPO09