| 摘要 |
An effect detection device includes: a first extraction unit configured to compare first document-structure definition information with second document-structure definition information, and extract at least one of an element added to the first document-structure definition information, an element changed in the first document-structure definition information, and an element deleted from the first document-structure definition information; a second extraction unit configured to extract an element which is in a parent-child relationship or a sibling relationship with an element extracted by the first extraction unit from hierarchy definition documents defining a relation between elements with a hierarchy structure, the hierarchy definition documents being provided to the first document-structure definition information and the second document-structure definition information respectively; and a detection unit configured to detect and output items defined by using at least one of the element extracted by the first extraction unit and an element extracted by the second extraction unit.
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