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Natural Language Processing with Java

Natural Language Processing with Java

By : Richard M. Reese
2 (3)
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Natural Language Processing with Java

Natural Language Processing with Java

2 (3)
By: Richard M. Reese

Overview of this book

Natural Language Processing (NLP) allows you to take any sentence and identify patterns, special names, company names, and more. The second edition of Natural Language Processing with Java teaches you how to perform language analysis with the help of Java libraries, while constantly gaining insights from the outcomes. You’ll start by understanding how NLP and its various concepts work. Having got to grips with the basics, you’ll explore important tools and libraries in Java for NLP, such as CoreNLP, OpenNLP, Neuroph, and Mallet. You’ll then start performing NLP on different inputs and tasks, such as tokenization, model training, parts-of-speech and parsing trees. You’ll learn about statistical machine translation, summarization, dialog systems, complex searches, supervised and unsupervised NLP, and more. By the end of this book, you’ll have learned more about NLP, neural networks, and various other trained models in Java for enhancing the performance of NLP applications.
Table of Contents (14 chapters)
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The SBD process


The SBD process is language-dependent and is often not straightforward. Common approaches to detect sentences include using a set of rules or training a model to detect them. A set of simple rules for detecting a sentence follows. The end of a sentence is detected if the following is true:

  • The text is terminated by a period, question mark, or exclamation mark
  • The period is not preceded by an abbreviation or followed by a digit

Although this works well for most sentences, it will not work for all of them. For example, it is not always easy to determine what an abbreviation is, and sequences such as ellipses may be confused with periods.

Most search engines are not concerned with SBD. They are only interested in a query's tokens and their positions. POS-taggers and other NLP tasks that perform the extraction of data will frequently process individual sentences. The detection of sentence boundaries will help separate phrases that might appear to span sentences. For example, consider...

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