Yin Zhang Yi Zhou 0003 Kai Chen 0006 Internet traffic classification based on bag-of-words model. 736-741 2012 GLOBECOM Workshops https://doi.org/10.1109/GLOCOMW.2012.6477666 conf/globecom/2012w db/conf/globecom/globecom2012w.html#ZhangZC12