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Search : "[ author: Yoon Cheol Hwang ]" (2)
Hash-Chain based Micropayment without Disclosing Privacy Information
Yoon Su Jeong Seung Ho Baek Yoon Cheol Hwang Sang Ho Lee
Vol. 12, No. 3, pp. 499-506, Jun. 2005
10.3745/KIPSTD.2005.12.3.499
Vol. 12, No. 3, pp. 499-506, Jun. 2005

Design of A Database Architecture for Hierarchical Security Policy Model
Yeo Wung Yun Yoon Cheol Hwang Nam Kyeong Um Kwun Woo Kim Sang Ho Lee
Vol. 8, No. 6, pp. 711-720, Dec. 2001
10.3745/KIPSTC.2001.8.6.711
Vol. 8, No. 6, pp. 711-720, Dec. 2001
