Exploiting Redundancy in Question Answering

  title={Exploiting Redundancy in Question Answering},
  author={Charles L. A. Clarke and Gordon V. Cormack and Thomas R. Lynam},
Our goal is to automatically answer brief factual questions of the form ``When was the Battle of Hastings?'' or ``Who wrote The Wind in the Willows?''. Since the answer to nearly any such question can now be found somewhere on the Web, the problem reduces to finding potential answers in large volumes of data and validating their accuracy. We apply a method for arbitrary passage retrieval to the first half of the problem and demonstrate that answer redundancy can be used to address the second… CONTINUE READING
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