| 摘要 |
A classification dictionary updating apparatus includes an update proposal receiving unit that receives a proposal for updating a hierarchical classification dictionary which has a hierarchical structure which includes a class that defines the hierarchical structure, a property that defines a hierarchical class structure, and an attribute that is a detailed information field of the class and the property, and in which a sub classification class inherits a property of an upper classification class; a proposal history storing unit that stores the past received proposal; an approximate proposal extracting unit that extracts the past received proposal stored by the proposal history storing unit approximate to the latest received proposal; and an approximate proposal presenting unit that presents the extracted proposal.
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