Patent
1991-04-12
1993-07-13
Fleming, Michael R.
395919, 395921, 395 64, G06F 1518
Patent
active
052281175
ABSTRACT:
An expert system in which a plurality of knowledge descriptive layers are provided in a frame system. Each descriptive layer is composed of several frames. The frames of the lower knowledge descriptive layer correspond to the elements of a knowledge processing object system. The content of frames of the upper knowledge descriptive layers is determined as an inference made with reference to the frames of the lower layer. This determination is initiated and executed when the content of slots of the frames is updated.
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Amano Masahiko
Fukui Chihiro
Harada Yasushi
Kudo Hiroyuki
Watanabe Dai
Downs Robert W.
Fleming Michael R.
Hitachi , Ltd.
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