Communication support system, communication support method and communication support program

摘要

A communication support system is connected with a network enabling communication among user terminals and is capable of accessing a user information recording portion in which shared information concerning users and access information showing users who accessed the shared information are recorded. The communication support system includes: a user identification portion that acquires a communication start request from a user terminal and identifies an originator and a receiver; a retrieval portion that retrieves shared information concerning the receiver that the originator has not accessed from data recorded in the user information recording portion; and a control portion that, based on a result of the retrieval by the retrieval portion, controls the communication. Thereby, the communication support system can control whether or not to start the communication based on the presence or not of information about the receiver that the originator should confirm.