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Natural Language Processing with Java

You're reading from   Natural Language Processing with Java Explore various approaches to organize and extract useful text from unstructured data using Java

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Product type Paperback
Published in Mar 2015
Publisher
ISBN-13 9781784391799
Length 262 pages
Edition 1st Edition
Languages
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Authors (2):
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Richard M. Reese Richard M. Reese
Author Profile Icon Richard M. Reese
Richard M. Reese
Richard M Reese Richard M Reese
Author Profile Icon Richard M Reese
Richard M Reese
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Toc

Understanding normalization

Normalization is a process that converts a list of words to a more uniform sequence. This is useful in preparing text for later processing. By transforming the words to a standard format, other operations are able to work with the data and will not have to deal with issues that might compromise the process. For example, converting all words to lowercase will simplify the searching process.

The normalization process can improve text matching. For example, there are several ways that the term "modem router" can be expressed, such as modem and router, modem & router, modem/router, and modem-router. By normalizing these words to the common form, it makes it easier to supply the right information to a shopper.

Understand that the normalization process might also compromise an NLP task. Converting to lowercase letters can decrease the reliability of searches when the case is important.

Normalization operations can include the following:

  • Changing characters...
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Natural Language Processing with Java
Published in: Mar 2015
Publisher:
ISBN-13: 9781784391799
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