| 摘要 |
An equivalence determination system (10) according to this invention includes a specifying means (11) and determination means (12). The specifying means (11) specifies parts of respective electronic documents in a document database that are rarely modified manually. The determination means (12) determines whether the parts specified by the specifying means (11) match each other between a plurality of electronic documents, and when determining that the parts match each other, specifies that these documents are a plurality of similar electronic documents. An electronic document which cites part or all of another electronic document and is slightly modified can be quickly specified in the document database. |
