CMSC 723: Computational Linguistics I (Fall 2009): Assignment #3

Let's play tag!

Due: October 14, 2009

• Assignment 3: text of the assignment
• hmm.py: code stub for problem #3
• hmmtrainer.py: code for training HMMs
• given.sentences: sample sentences to tag

Before you can do this assignment, you need to install Matplotlib and Numpy; see instructions for doing so. Submit your solutions by email to Melissa Egan with the subject "CMSC 723: Assignment 3" before 4:00pm on the due date.

Note that you may get an error along the following lines when loading hmm.py:

c:\Python26\lib\site-packages\nltk\util.py:724: DeprecationWarning: object.__new__() takes no parameters
  return object.__new__(cls, source, start, stop)

This warning can be safely ignored. If you really care about what's going on, consult this thread: http://www.mail-archive.com/python-dev@python.org/msg26586.html. Thanks to Nitin for digging this up!

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This page, first created: 27 Sep 2009; last updated: