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Keio.jp is the general name for Keio Single Sign-On System. It authenticates you to use online services operated by Keio University. You are required to sign in to the system in order to use our online resources from off-campus.
The authors belonging to Keio University may get the discount or waiver for the payment of Open Access Article Processing Charge (APC) under the institutional subscription contract.
Sigma Star accumulates, preserves and offers access to digital academic resources consisting of research results and educational materials created by both the Faculty and the Graduate School of Science and Technology of Keio University.
