@incollection{manning11pos,
  author = {Christopher D. Manning},
  year = 2011,
  title = {Part-of-Speech Tagging from 97\% to 100\%: Is It Time for Some Linguistics?},
  editor = {Alexander Gelbukh},
  booktitle = {Conference on Intelligent Text Processing and Computational Linguistics (CICLing)},
  series = {Lecture Notes in Computer Science},
  volume =  {6608},
  pages = {171--189},
  publisher = {Springer}
}