Detecting Word Substitutions in Text

@article{Fong2008DetectingWS,
  title={Detecting Word Substitutions in Text},
  author={SzeWang Fong and Dmitri Roussinov and David B. Skillicorn},
  journal={IEEE Transactions on Knowledge and Data Engineering},
  year={2008},
  volume={20},
  pages={1067-1076}
}
Searching for words on a watchlist is one way in which large-scale surveillance of communication can be done, for example in intelligence and counterterrorism settings. One obvious defense is to replace words that might attract attention to a message with other, more innocuous, words. For example, the sentence the attack will be tomorrow" might be altered to the complex will be tomorrow", since 'complex' is a word whose frequency is close to that of 'attack'. Such substitutions are readily… CONTINUE READING
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