Hi,
We are investigating JESS for the re-implementation of an existing expert
system developed in KBMS. We need an opinion from people familiar with JESS
on how easy or hard it is to represent rules like the following sample:
IF (STATION1.ROAD = UP
& (STATION1.STATE = CALIFORNIA
OR STATION1.STATE = COLORADO
OR STATION1.STATE = IDAHO
OR STATION1.STATE = ILLINOIS
OR STATION1.STATE = IOWA
OR STATION1.STATE = KANSAS
OR STATION1.STATE = MINNESOTA
OR STATION1.STATE = MISSOURI
OR STATION1.STATE = MONTANA
OR STATION1.STATE = NEVADA
OR STATION1.STATE = OREGON
OR STATION1.STATE = TENNESSEE
OR STATION1.STATE = UTAH
OR STATION1.STATE = WASHINGTON
OR STATION1.STATE = WISCONSIN
OR STATION1.STATE = WYOMING
OR STATION1.STATE = NEBRASKA
OR ((RETRIEVED STATIONS INFO.STATE = ARKANSAS)
OR (CORRIDOR = 'JH' & MILE POST BETWEEN 567 AND 650))
OR (RETRIEVED STATIONS INFO.STATE = LOUISIANA
& NOT (CORRIDOR = 'JH' & MILE POST BETWEEN 567 AND 650))
OR (RETRIEVED STATIONS INFO.STATE = OKLAHOMA
& NOT (CORRIDOR = 'SW' & MILE POST BETWEEN 421 AND 472))
OR (RETRIEVED STATIONS INFO.STATE = TEXAS
& NOT ((CORRIDOR = 'SW' & MILE POST BETWEEN 482 AND 556)
OR RETRIEVED STATIONS INFO.CIRC7 = 'TP860')))
& NOT ((CORRIDOR = 'MX' & MILE POST BETWEEN 499 AND 905)
OR (CORRIDOR = 'PB' & MILE POST BETWEEN 20 AND 62)
OR (CORRIDOR = 'M ' & MILE POST BETWEEN 10 AND 76))
& STATION2.ROAD = BNSF
& STATION2.STATE = COLORADO)
THEN
CALL BUILD ROUTE('ATSF116', 'UP', 'DENVER', 'CO', 'BNSF', '', '',
'', '', '', '', '', '', '', '', '', '');
Does JESS have the ability to handle complex AND, OR, NOT, and BETWEEN?
Thanks,
Morgan
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