Ogura, Hiroshi, Hiromi Amano, and Masato Kondo. “Classifying Documents With Poisson Mixtures”. Transactions on Engineering and Computing Sciences 2, no. 4 (August 28, 2014): 48–76. Accessed December 12, 2024. http://804474.wannyin.cyou/index.php/TMLAI/article/view/388.