Xiaomeng Su Mihhail Matskin Jinghai Rao 330-336 2003 conf/webi/2003 Web Intelligence https://doi.org/10.1109/WI.2003.1241212 https://doi.ieeecomputersociety.org/10.1109/WI.2003.1241212 db/conf/webi/webi2003.html#SuMR03