The Institution which has contract of CiNii Institutional authentication can set the Shibboleth authentication. Please see below how to setting.
(Now CiNii is accepting only users of GakuNin (Japan) and UK Federation. Please ask service desk if you want to use institutional login from other federations.)
（1） Log into Administrator login
（2） Click "Change Institution Data"
（3） Select "Yes" at the [Shibboleth authentication] section
（4） E-mail confirming approval setting is sent
（5） Setting has been completed
If "jao", "jaou", "o" and "ou" field of Shibboleth Authentication IdP is different from the institution's name registered for Institutional authentication, adding alias settings linkage to your Shibboleth authentication is necessarily. Please continue the procedure below.
（1） Log into Administrator login
（2） Click "Additional setting of Shibboleth"
（3） Enter the jao, jaou etc. at the additional setting column. Then click "Next" and "OK".
（4） Changes completed.