March 2015
Beginner to intermediate
262 pages
5h 28m
English
Content preview from Natural Language Processing with JavaBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using NLP APIs
We will use the OpenNLP and Stanford APIs to demonstrate parsing and the extraction of relation information. LingPipe can also be used but will not be discussed here. An example of how LingPipe is used to parse biomedical literature can be found at http://alias-i.com/lingpipe-3.9.3/demos/tutorial/medline/.
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:
- A string containing the text to be parsed
- A
Parserinstance - 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 ...
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