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LINGUIST List 17.2021

Tue Jul 11 2006

Software: Natural Language Toolkit: NLTK-Lite Version 0.6.5

Editor for this issue: Svetlana Aksenova <svetlanalinguistlist.org>


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        1.    Steven Bird, Natural Language Toolkit: NLTK-Lite Version 0.6.5


Message 1: Natural Language Toolkit: NLTK-Lite Version 0.6.5
Date: 10-Jul-2006
From: Steven Bird <sbcsse.unimelb.edu.au>
Subject: Natural Language Toolkit: NLTK-Lite Version 0.6.5


NLTK, the Natural Language Toolkit, is a suite of Python libraries and programs
for natural language processing. Version 0.6.5 has been released, and can be
downloaded from http://nltk.sourceforge.net/

CONTENTS

Software Modules: corpus readers, tokenizers & stemmers, taggers (regexp,
n-gram, backoff, Brill, HMM), parsers (recursive descent, shift-reduce, chart,
probabilistic, ...), clusterers (EM, k-means, ...), probability distributions,
chatbots, demonstrations, ...

Corpora and Corpus Samples: Brown Corpus, CMU Pronunciation Dictionary,
CoNNL-2000, Genesis, Gutenberg, IEER, Presidential Addresses, Names,
PP-Attachment, Senseval 2, TIMIT, Treebank, Words

Documentation: Tutorials and exercises (190pp), API documentation for all
software modules, installation instructions for Windows, Mac, Unix.

ChangeLog for Version 0.6.5 2006-07-09

* Code:
- improvements to shoebox module (Stuart Robinson, Greg Aumann)
- incorporated feature-based parsing into core NLTK-Lite
- corpus reader for Sinica treebank sample
- new stemmer package
* Contrib:
- hole semantics implementation (Peter Wang)
- Incorporating yaml
- new work on feature structures, unification, lambda calculus
- new work on shoebox package (Stuart Robinson, Greg Aumann)
* Corpora:
- Sinica treebank sample
* Tutorials:
- expanded discussion throughout, incl: left-recursion, trees, grammars,
feature-based grammar, agreement, unification, PCFGs,
baseline performance, exercises, improved display of trees

-Steven Bird


Linguistic Field(s): Cognitive Science
Computational Linguistics
Text/Corpus Linguistics
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