Notifying device, notifying method, program and non-transitory recording medium

A notifying method executed by a notifying device that includes an obtaining unit, a notification sending unit, and a presenting unit, the method comprising:

• obtaining a notification date and hour which is associated with each of a plurality of transactions watched by a user, and which precedes by a set time interval from a deadline for the each transaction;
• sending notification of the deadline for the each transaction to the user after the notification date and hour associated with the each transaction comes;
• and
• determining, when the notified user takes an action designated in the notification by the deadline for the transaction subjected to the notification, a collective time period that contains the deadline for the transaction subjected to the notification among the plurality of transactions, presenting to the user a request page of the transaction subjected to the notification when the transaction reaching the deadline within the collective time period is only the transaction subjected to the notification, and collecting up and presenting to the user pieces of information of respective request pages for the transactions reaching the deadline within the collective time period when there are plurality of the transactions reaching the deadline within the collective time period, wherein
• a start of the collective time period is a time point preceding the deadline of the transaction by a first time length;
• an end of the collective time period is a time point later than the deadline of the transaction by a second time length;
• and
• the method further comprises:
• calculating a reaction level to the sent notification based on an action taken by the user to the each transaction reaching the deadline within the collective time period;
• and
• updating the first time length, the second time length and the time interval so as to improve the calculated reaction level.

A notifying device comprising:

• an obtaining unit that obtains a notification date and hour which is associated with each of a plurality of transactions watched by a user, and which precedes by a set time interval from a deadline for the each transaction;
• a notification sending unit that sends a notification of the deadline for the each transaction to the user after the notification date and hour associated with the each transaction comes;
• and
• a presenting unit which determines, when the notified user takes a an action designated in the notification by the deadline for the transaction subjected to the notification, a collective time period that contains the deadline for the transaction subjected to the notification among the plurality of transactions, and to present to the user:
• (a) according to the action, a request page of the transaction subjected to the notification if the transaction reaching the deadline within the collective time period is only the transaction subjected to the notification, and
• (b) according to the action, a list page listing links to each request page of the transactions reaching the deadline within the collective time period if there are plurality of the transactions reaching the deadline within the collective time period.