Effective genetic operators of cooperative genetic algorithm for nurse scheduling. - Makoto Ohki; Shin-ya Uneme; Shigeto Hayashi; Masaaki Ohkita (ICINCO-ICSO, 2007)

Nurse Scheduling by Cooperative GA with Variable Mutation Operator. - Shin-ya Uneme; Hikaru Kawano; Makoto Ohki (ICEIS (2), 2008)