July 2017
Beginner to intermediate
486 pages
13h 49m
English
Content preview from Python Natural Language Processing
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Name entity recognition
In this section, we will look at a tool called name entity recognition (NER). The use of this tool is as follows. If you have a sentence, such as Bank of America announced its earning today, we as humans can understand that the Bank of America is the name of a financial institution and should be referred to as a single entity. However, for machine to handle and recognize that entity is quite challenging. There is where NER tools come into the picture to rescue us.
With the NER tool, you can find out entities like person name, organization name, location, and so on. NER tools have certain classes in which they classify the entities. Here, we are considering the words of the sentence to find out the entities, and if ...
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