November 2016
Beginner to intermediate
687 pages
15h 31m
English
book
Natural Language Processing: Python and NLTK
by Nitin Hardeniya, Jacob Perkins, Deepti Chopra, Nisheeth Joshi, Iti Mathur
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Chapter 5. Parsing – Analyzing Training Data
Parsing, also referred to as syntactic analysis, is one of the tasks in NLP. It is defined as the process of finding whether a character sequence, written in natural language, is in accordance with the rules defined in formal grammar. It is the process of breaking the sentences into words or phrase sequences and providing them a particular component category (noun, verb, preposition, and so on).
This chapter will include the following topics:
- Treebank construction
- Extracting Context-free Grammar (CFG) rules from Treebank
- Creating a probabilistic Context-free Grammar from CFG
- CYK chart parsing algorithm
- Earley chart parsing algorithm
Introducing parsing
Parsing is one of the steps involved in NLP. It is defined ...
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