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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Summary
NER involves detecting entities and then classifying them. Common categories include names, locations, and things. This is an important task that many applications use to support searching, resolving references, and finding the meaning of the text. The process is frequently used in downstream tasks.
We investigated several techniques for performing NER. Regular expressions is one approach that is supported by both core Java classes and NLP APIs. This technique is useful for many applications and there are a large number of regular expression libraries available.
Dictionary-based approaches are also possible and work well for some applications. However, they require considerable effort to populate at times. We used LingPipe's MapDictionary ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.