On derived data services in cyberspace

Dept. of Inf. Manage., National Taiwan Univ.Cha, Shi-ChoShi-ChoChaJoung, Yuh-JzerYuh-JzerJoung2007-04-192018-06-292007-04-192018-06-292005-02http://ntur.lib.ntu.edu.tw//handle/246246/200704191001540application/pdf179031 bytesapplication/pdfen-USOn derived data services in cyberspaceother10.1109/SAINT.2005.45http://ntur.lib.ntu.edu.tw/bitstream/246246/200704191001540/1/01386141.pdf