Natural Language Processing (NLP) refers to the ability of computers to understand human language in spoken and written formats.

Earlier approaches to NLP were used mainly for machine translation applications and involved a rules-based approach that defined what words and phrases to look for in a text. Instead of hand-written rules, technologies such as AI and deep learning are approaching NLP by ingesting and analyzing large amounts of data and attempting to identify the user's intent to make accurate interpretations.

AI-based NLP solutions today are being used to analyze and proofread documents, automatically transcribe audio and video content, understand sentiment from text, cognitively search data based on user intent, and engage in real-term conversations, especially in the area of customer service.

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