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Natural language processing

technology Maturity 11-13 Next article →

Computers can learn to use human language. This field is called natural language processing. It is a part of computer science.

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Use of Firefox' 'Translate selection to English' machine translation on Commons talk meta pages 02

In the 1950s, scientists used rules to help computers. They wrote many sets of steps for the machines to follow. This was called symbolic NLP. One early program was named ELIZA. It could talk in a way that seemed human.

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AST Document

By the 1990s, things changed. Scientists began using machine learning. This is a way for computers to learn from data. They look at large amounts of text to find patterns.

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Hebrew stop words word cloud

Today, we use neural networks. These are computer systems inspired by how brains work. They help computers understand the meaning of words. They can even translate languages very well. This helps doctors read medical notes. It helps them take better care of people.

Entity Linking - Example of pipeline
Entity Linking - Example of pipeline

These new ways are very strong. They work well even if words are misspelled. They can learn from the whole internet. This makes them much faster than the old rule systems.

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Entity Linking - Example of pipeline.png
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Use of Firefox' 'Translate selection to...
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