Filtering Harmful Sentences Based on Multiple Word Co-occurrence. - Satoshi Ando; Yutaro Fujii; Takayuki Ito 001 (ACIS-ICIS, 2010)

Filtering harmful sentences based on three-word co-occurrence. - Yutaro Fujii; Takuya Yoshimura; Takayuki Ito 001 (CEAS, 2011)

Grouping Co-occurrence Filtering Based on Bayesian Filtering. - Takuya Yoshimura; Yutaro Fujii; Takayuki Ito 001 (IEA/AIE, 2012)