Measures to Detect Word Substitution in Intercepted Communication. - SzeWang Fong; David B. Skillicorn; Dmitri Roussinov (ISI, 2006)

Detecting word substitutions: PMI vs. HMM. - Dmitri Roussinov; SzeWang Fong; David B. Skillicorn (SIGIR, 2007)

Detecting Word Substitutions in Text. - SzeWang Fong; Dmitri Roussinov; David B. Skillicorn (IEEE Trans. Knowl. Data Eng., 2008)