What is natural language processing (NLP)? Over the decades of research, artificial intelligence (AI) scientists created algorithms that begin to achieve some level of understanding.

Amazon Comprehend is a natural language processing service that extracts key phrases, places, peoples’ names, brands, events, and sentiment from unstructured text.

All earthly and celestial things emit signals. The science of signal processing, born in the 19th Century and now greatly advanced thanks to computers, allows us to better understand them.