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Title:Computational Semantics in the Natural Language Toolkit
Authors: Ewan Klein
Date:Nov 2006
Publication Title:Procs of Australasian Language Technology Workshop (ALTW) 2006
Publication Type:Conference Paper
NLTK, the Natural Language Toolkit, is an open source project whose goals include providing students with software and language resources that will help them to learn basic NLP. Until now, the program modules in NLTK have covered such topics as tagging, chunking, and parsing, but have not incorporated any aspect of semantic interpretation. The paper describes recent work on building a new semantics package for NLTK. This currently allows semantic representations to be built compositionally as a part of sentence parsing, and for the representations to be evaluated by a model checker. We present the main components of this work, and consider comparisons between the Python implementation and the Prolog approach developed by Blackburn and Bos (2005).
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Bibtex format
author = { Ewan Klein },
title = {Computational Semantics in the Natural Language Toolkit},
book title = {Procs of Australasian Language Technology Workshop (ALTW) 2006},
year = 2006,
month = {Nov},
url = {},

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