Abstract
"Chiba-repo" managed in Chiba city as a solution to local problem platform from 2014 gets the registrant more than 5,000 in the end of February, 2016 and comes to be known as a masterpiece of the open government measure in the Japanese local government. In this "Chiba-repo", the data of the registration date and time of the registrant are shown as open data. In this study, using the data about the registrant, it analyzes a penetration process of the application that public administration provides.