In this chapter, we will cover the following recipes:
Default tagging
Training a unigram part-of-speech tagger
Combining taggers with backoff tagging
Training and combining ngram taggers
Creating a model of likely word tags
Tagging with regular expressions
Affix tagging
Training a Brill tagger
Training the TnT tagger
Using WordNet for tagging
Tagging proper names
Classifier-based tagging
Training a tagger with NLTK-Trainer