Masao Kubo Keitaro Naruse Hiroshi Sato Takashi Matubara The Possibility of an Epidemic Meme Analogy for Web Community Population Analysis. 1073-1080 2007 conf/ideal/2007 IDEAL http://dx.doi.org/10.1007/978-3-540-77226-2_107 db/conf/ideal/ideal2007.html#KuboNSM07