Part of Speech Tagging
From Cohen Courses
Summary
Part of Speech Tagging (or POS Tagging for short) is a task in the field of computational linguistics which looks at marking a text corpus with the associated word categories known as parts of speech to words.
Common Approaches
Some common approaches to POS Tagging include the following:
- Hidden Markov Models based approaches
- Dynamic Programming/Viterbi-like algorithms (DeRose & Church)
- Unsupervised algorithms: Brill Tagger, Constraint Grammar, Forward-Backward
Challenges / Issues
Some major challenges in POS Tagging
Example Systems
- ...
References / Links
- Wikipedia article on Part of Speech Tagging - [1]