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Natural Language Processing with Java - Second Edition
book

Natural Language Processing with Java - Second Edition

by Richard M. Reese, AshishSingh Bhatia
July 2018
Beginner to intermediate content levelBeginner to intermediate
318 pages
7h 49m
English
Packt Publishing
Content preview from Natural Language Processing with Java - Second Edition

Using OpenNLP

Parsing text is simple using the ParserTool class. Its static parseLine method accepts three arguments and returns a Parser instance. These arguments are as follows:

  • A string containing the text to be parsed
  • A Parser instance
  • An integer specifying how many parses are to be returned

The Parser instance holds the elements of the parse. The parses are returned in order of their probability. To create a Parser instance, we will use the ParserFactory class' create method. This method uses a ParserModel instance that we will create using the en-parser-chunking.bin file.

This process is shown here, in which an input stream for the model file is created using a try-with-resources block. The ParserModel instance is created, followed ...

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Publisher Resources

ISBN: 9781788993494Supplemental Content