I'm interested in this subject, as I've studied it before. Was really nice to see how many techniques are used, with those functional words being just one (with

I'm interested in this subject, as I've studied it before. Was really nice to see how many techniques are used, with those functional words being just one (with good results, it must be said). Even reducing words to n-grams is interesting, since it catches the radix of the words (leaving those prefixes and suffixes out of the question).