[1]	Ingo Feinerer. A Text Mining Framework in R and Its Applications. PhD thesis, Department of Statistics and Mathematics, Vienna University of Economics and Business Administration, October 2008. [ bib | http ]
[2]	Ingo Feinerer, Kurt Hornik, and David Meyer. Text mining infrastructure in R. Journal of Statistical Software, 25(5):1-54, March 2008. [ bib | http ]