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Vol.106 No.3 pp.207-210 An Ethical Perspective on Copyright Protection Technology and Blockchain Technology Essential for Electronic Information Distribution Sumiko MIYATA Hitoshi OKADA Hirotsugu KINOSHITA | Summary | Full Text:PDF(446.2KB) |
Vol.100 No.6 pp.493-498 Open Access What is a network control based on user's behavior? Sumiko MIYATA | Summary | FreeFull Text:PDF(1MB) |