Another Word For It Patrick Durusau on Topic Maps and Semantic Diversity

October 26, 2012

First Steps with NLTK

Filed under: Machine Learning,NLTK,Python — Patrick Durusau @ 3:18 pm

First Steps with NLTK by Sujit Pal.

From the post:

Most of what I know about NLP is as a byproduct of search, ie, find named entities in (medical) text and annotating them with concept IDs (ie node IDs in our taxonomy graph). My interest in NLP so far has been mostly as a user, like using OpenNLP to do POS tagging and chunking. I’ve been meaning to learn a bit more, and I did take the Stanford Natural Language Processing class from Coursera. It taught me a few things, but still not enough for me to actually see where a deeper knowledge would actually help me. Recently (over the past month and a half), I have been reading the NLTK Book and the NLTK Cookbook in an effort to learn more about NLTK, the Natural Language Toolkit for Python.

This is not the first time I’ve been through the NLTK book, but it is the first time I have tried working out all the examples and (some of) the exercises (available on GitHub here), and I feel I now understand the material a lot better than before. I also realize that there are parts of NLP that I can safely ignore at my (user) level, since they are not either that baked out yet or because their scope of applicability is rather narrow. In this post, I will describe what I learned, where NLTK shines, and what one can do with it.

You will find the structured listing of links into the NLTK PyDocs very useful.

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