Foundations of Statistical Natural Language Processing

Christopher D. Manning and Hinrich Schütze

Chapter 10: Part-of-Speech Tagging

Links referred to in the text

• The Xerox Tagger
• Brill's Transformation-Based Tagger
• The MULTEXT tagger
• Adwait Ratnaparkhi's MaxEnt tragger
• Thorsten Brants' TnT tagger

Other links

• ICOPOST. C taggers by Ingo Schröder that implement maximum entropy, HMM trigram, and transformation-based learning. C source available under GNU public license (but requires registration).
• TreeTagger, a decision tree based tagger from the University of Stuttgart (Helmut Scmid), complete with parameter files for English, German, French, and Italian, available in Solaris and Linux versions.
• QTAG, an HMM-based tagger written in Java by Oliver Mason.