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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Chapter 4. Finding People and Things
The process of finding people and things is referred to as Named Entity Recognition (NER). Entities such as people and places are associated with categories that have names, which identify what they are. A named category can be as simple as "people". Common entity types include:
- People
- Locations
- Organizations
- Money
- Time
- URLs
Finding names, locations, and various things in a document are important and useful NLP tasks. They are used in many places such as conducting simple searches, processing queries, resolving references, the disambiguation of text, and finding the meaning of text. For example, NER is sometimes interested in only finding those entities that belong to a single category. Using categories, the search ...
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