1) Faculty of Computer Science and Engineering, Kyoto Sangyo University
2) Graduate School of Engineering, Osaka City University
WOODS, distributed storage, data structure
Date of correction: February 08, 2013
Reason for correction: page numbering error
Details: Wrong:Vol.1 No.8 pp.293-298 Right:Vol.2 No.1 pp.12-17
Edited and published by : The Institute of Electronics, Information and Communication Engineers Produced and listed by : Komiyama Printing Co.,Ltd.