Qiong Li Tao Jin Yuchen Fu Quan Liu ZhiMing Cui The Design and Implementation of a Topic-Driven Crawler. 153-156 2007 conf/iita/2007 IITA http://doi.ieeecomputersociety.org/10.1109/IITA.2007.87 db/conf/iita/iita2007.html#LiJFLC07