| 摘要 |
PURPOSE:To attain the titled system that does not necessitate complicated procedures for registering a bit of information by providing an information storage means, a citation relation storage means, a fuzzy logical operation means, and an interface. CONSTITUTION:The following means are provided: the information storage means 1 to store information, the citation relation storage means 2 to store the citation-relation of information, the logical operation means 3 to execute a fuzzy logical operation, and the interface 4. When an information that can be a clue is inputted to the interface 4, the logical operation means 3 calculates the relation between the bits of information based on a citation relation stored in the storage means 2 and retrieves a bit of specific information from the information storage means 1 then outputs it to the interface 4. Therefore, at the time when registering a literature, an operator is necessitated only to input the citation relation according to a procedure without understanding its content, hence there will no difference occurring among individuals, and also, the labors for the registering can be spared.
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