Abstract
As shown the Action Plan to promote PPP/PFI projects, promotion to small municipalities which have few experiences of them is required. However, the one of inhibitory factors is complication of administrative affairs. One of methods reducing the difficulties is to simplify affairs about reply to tender candidates' questions. The purpose of the current research is to clarify features of replies in the open documents of existed PPP/PFI projects during 5 years. The text mining which is introduced as a method can find the tendency of key words which appear many times in questions by tender candidates. The results indicate suggestions to reduce difficulties of administrative affairs about PPP/PFI projects.
