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Natural Language Processing: Python and NLTK
book

Natural Language Processing: Python and NLTK

by Nitin Hardeniya, Jacob Perkins, Deepti Chopra, Nisheeth Joshi, Iti Mathur
November 2016
Beginner to intermediate
687 pages
15h 31m
English
Packt Publishing
Content preview from Natural Language Processing: Python and NLTK

Chunking

Chunking is shallow parsing where instead of reaching out to the deep structure of the sentence, we try to club some chunks of the sentences that constitute some meaning.

A chunk can be defined as the minimal unit that can be processed. So, for example, the sentence "the President speaks about the health care reforms" can be broken into two chunks, one is "the President", which is noun dominated, and hence is called a noun phrase (NP). The remaining part of the sentence is dominated by a verb, hence it is called a verb phrase (VP). If you see, there is one more sub-chunk in the part "speaks about the health care reforms". Here, one more NP exists that can be broken down again in "speaks about" and "health care reforms", as shown in the ...

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Publisher Resources

ISBN: 9781787285101Purchase Link