@inproceedings{DBLP:conf/iceis/YooYP99,
author = {Byung-Jeon Yoo and
Hyun-Gyoo Yook and
Myong-Soon Park},
title = {A New Method to Block Access to Illegal and Harmful Content
on the Internet},
booktitle = {ICEIS},
year = {1999},
pages = {732-739},
bibsource = {DBLP, http://dblp.uni-trier.de}
}