Manning (2011)[1]: accuracy at sentence level is quite low: 55-57%.

Horsmann et al. (2015)[2] survey many existing tools for POS tagging English.

References Edit

  1. Manning, C. D. (2011). Part-of-speech tagging from 97% to 100%: is it time for some linguistics?. In Computational Linguistics and Intelligent Text Processing (pp. 171-189). Springer Berlin Heidelberg.
  2. Tobias Horsmann, Nicolai Erbs, and Torsten Zesch. "Fast or Accurate?–A Comparative Evaluation of PoS Tagging Models."
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