Our Research: Tools (1/2)

• For the POS-tagging:

• • Trigrams 'n 'Tags (TnT) Statistical Part of Speech Tagger made by Thorsten Brants (Universität des Saarlandes)

• It achieves an accuracy of

• • 96.7% on the Penn Treebank

• 85.1% - 90.5% on our spoken material

• • accuracy is a bit worse for (n >1)-grams
  • 2-grams 74%, 3-grams 65%, 4-grams 58% ...