G - Physics – 06 – F
Patent
G - Physics
06
F
354/230.82
G06F 9/46 (2006.01) G06N 5/04 (2006.01)
Patent
CA 1252214
ABSTRACT A method for running an expert system on a data processing system in which the Rulebase is segmented, preferably into contextual segments or units so that the limited size of the system memory can accommodate each segment. When the Rulebase is segmented, it is then possible to eliminate portions of the Rulebase containing data or knowledge that is not needed in a particular application. The segmenting of the Rulebase also allows the expert system to be run with systems or on systems having much smaller memory capaci- ties than was possible with prior art arrangements since each segment of the Rulebase can be paged into and out of the system as needed. The segmenting of the Rulebase into contextual segments requires that the expert system manage various intersegment relationships as segments are paged into and out of memory during execution of the program. The system permits a Rulebase segment to be called and executed at any time during the processing of the first Rulebase. Provision is made to store the data that has been accumulated up to that point so that at some time later in the process, when the system returns to the first segment, it can proceed from the last point or RULE node that was processed. Provision is made so that data that has been collected by the system up to that point can be passed to the second segment of the Rulebase after it has been paged into the system and data collect- ed during the processing of the second segment can be passed to the first segment when the system returns to complete processing that segment. Since a Rulebase may be "called" by the system, it is not necess- ary to duplicate the same Rulebase several times to conclude goals about similar but distinct items that are being analyzed.
507322
Ashford Thomas J.
Burns Nancy A.
Flagg Richard L.
Iwaskiw Christine T.
Starbird Roberta P.
International Business Machines Corporation
Kerr Alexander
LandOfFree
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