Knowledge base system



PURPOSE: To easily perform data acquisition control for each condition item. CONSTITUTION: Each of fact data is provided with a storage area for additional information, data setting conditions showing the validity of data are set to this area, and it is previously designated by an acquisition mode whether the acquisition of data is required or not at the time of executing inference. Thus, the data acquisition is controlled. Namely, this system is provided with a means for setting the data acquisition mode of a fact data group to be used for the inference in the preceding step of inference processing and a means for controlling a data acquiring method to judge whether the fact data are newly acquired from the outside and or the specified value is used corresponding to the data acquisition mode during the inference processing. Thus, since the acquiring method of data can be easily changed only by switching the mode at the time of inference without changing the fact data, the burden of operations is reduced and the efficiency of development can be improved. COPYRIGHT: (C)1994,JPO&Japio
(57)【要約】 (修正有) 【目的】 データ入手制御を個々の条件項目ごとに容易 に行なえるようにした。 【構成】 個々の事実データに付属情報の格納領域を設 け、データの有効性を示すデータ設定状況をこの領域に 設定しておき、推論の実行時にデータの入手が必要か否 かを入手モードによって予め指定しておくことにより、 データ入手を制御する。すなわち、図1に示すように、 まず推論処理の前段で推論に用いる事実データ群のデー タ入手モードを設定する手段と、推論処理中にデータ入 手モードにより、外部から事実データを新たに獲得する か、既定値を用いるかのデータ入手方法を制御する手段 を備えた。 【効果】 このようにデータの入手方法の変更が事実デ ータの変更によらず、推論時にモードの切り替えだけで 容易に行えるため、操作の負担を軽減し、開発効率を向 上することができる。




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Cited By (9)

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