| 摘要 |
PROBLEM TO BE SOLVED: To provide an already-read determination apparatus, an already-read determination method and an already-read determination program which are capable of reducing erroneous determination when determining whether a document is read or not.SOLUTION: An already-read determination apparatus includes a read time prediction unit configured to set predictive read time of a quoted portion and of a non-quoted portion in a document on the basis of an information quantity of the quoted portion and an information quantity of the non-quoted portion, a reference time measuring unit configured to measure reference time for which a user refers to each of the quoted portion and the non-quoted portion, and a determining unit configured to determine that the document is read by the user when the predictive read time of each portion and the reference time satisfy predetermined conditions. |
