Similar to NLP, cognitive computing actually refers to a family of computer science disciplines, including machine learning, deep learning, NLP, statistics, business intelligence, data engineering, and information retrieval that, together, are used to develop systems that simulate human thought processes. Real-world implementations of cognitive systems include chatbots and virtual assistants (such as Amazon Alexa, Google Assistant, and Microsoft Cortana) that understand natural human language and provide contextual conversation interfaces, including question-answering, personalized recommendations, and information retrieval systems.
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