New Directions in Question Answering
New Directions in Question Answering
Advances in Open Domain Question Answering (Text, Speech and Language Technology)
Advances in Open Domain Question Answering (Text, Speech and Language Technology)
Introduction to "This is Watson"
IBM Journal of Research and Development
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One of the classical challenges of Artificial Intelligence research has been to build automatic, open-domain question answering (QA) systems. The goal is not merely to retrieve documents containing answers to questions, or to query databases known to contain the answers. Rather, open-domain question answering systems must accept any question on any topic, find relevant information from possibly disparate sources, synthesize an answer, explain the evidence supporting the answer and provide an indication of the systems confidence that the answer is correct.