@article{Polibits09,
  author    = {Farag Ahmed and
               Andreas N{\"u}rnberger and Ernesto William De Luca},
  title     = {Revised N-Gram Based Automatic Spelling Correction Tool to Improve Retrieval Effectiveness},
  journal   = {Research journal on computer science and computer engineering with applications (Polibits)},
  volume    = {40},
  year      = {2009},
  pages     = {39-48},
  url       = {http://www.gelbukh.com/polibits/2009_40/40_06.pdf},
 }