Number | Name | Date | Kind |
---|---|---|---|
5016170 | Pollalls et al. | May 1991 | |
5414809 | Hogan et al. | May 1995 | |
5581678 | Kahn | Dec 1996 | |
5659768 | Forbes et al. | Aug 1997 | |
5852449 | Esslinger et al. | Dec 1998 | |
5894311 | Jackson | Apr 1999 | |
5896133 | Lynch et al. | Apr 1999 | |
5995113 | Mitchell et al. | Nov 1999 | |
6073110 | Rhodes et al. | Jun 2000 | |
6222530 | Sequeira | Apr 2001 |
Entry |
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“IBM ECO-2000: Optimized Crew Scheduling For The Next Century”, IBM Haifa Research Laboratory, 1-21 (1995). |
“ECO-2000 User Guide”, IBM Haifa Research Laboratory, 1.0:9-29 (1997). |