IBM Watson
IBM Watson · Watson is a question-answering computer system capable of answering questions posed in natural language , developed in IBM 's DeepQA project by a research team led by principal investigator David Ferrucci . · Watson was named after IBM's first CEO, industrialist Thomas J. Watson . · Watson was created as a question answering (QA) computing system that IBM built to apply advanced natural language processing , information retrieval , knowledge representation , automated reasoning , and machine learning technologies to the field of open domain question answering . · The key difference between QA technology and document search is that document search takes a keyword query and returns a list of documents, ranked in order of relevance to the query (often based on popula...