Discovery of inference rules for question-answering

  title={Discovery of inference rules for question-answering},
  author={Dekang Lin and Patrick Pantel},
  journal={Natural Language Engineering},
One of the main challenges in question-answering is the potential mismatch between the expressions in questions and the expressions in texts. While humans appear to use inference rules such as “X writes Y” implies “X is the author of Y” in answering questions, such rules are generally unavailable to question-answering systems due to the inherent difficulty in constructing them. In this paper, we present an unsupervised algorithm for discovering inference rules from text. Our algorithm is based… CONTINUE READING
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