Named entity recognition

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http://en.wikipedia.org/wiki/Named-entity_recognition

Named-entity recognition

Named-entity recognition (NER) (also known as entity identification and entity extraction ) is a subtask of information extraction that seeks to locate and classify atomic elements in text into predefined categories such as the names of persons, organizations, locations, expressions of times, quantities, monetary values, percentages, etc. Most research on NER systems has been structured as taking an unannotated block of text, such as this one:

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