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 8. Information Retrieval – Accessing Information
Information retrieval is one of the many applications of natural language processing. Information retrieval may be defined as the process of retrieving information (for example, the number of times the word Ganga has appeared in the document) corresponding to a query that has been made by the user.
This chapter will include the following topics:
- Introducing information retrieval
- Stop word removal
- Information retrieval using a vector space model
- Vector space scoring and query operator interactions
- Developing an IR system using latent semantic indexing
- Text summarization
- Question-answering system
Introducing information retrieval
Information retrieval may be defined as the process of retrieving the ...
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