Sponsored by：East-China
 Institute of Computer Technology
 Shanghai Computer Society
 Edited & Published by：Editorial
 Board of Computer Engineering
 Chief Editor：Sun Dewei
 Tel：021-54972331
 Fax：021-54972331
 E-mail：hdsce@sohu265359.sohuvip.net
 CN：31-1289/TP
 ISSN：1000-3428