Open-domain textual question answering techniques

  title={Open-domain textual question answering techniques},
  author={Sanda M. Harabagiu and Steven J. Maiorano and Marius Pasca},
  journal={Natural Language Engineering},
Textual question answering is a technique of extracting a sentence or text snippet from a document or document collection that responds directly to a query. Open-domain textual question answering presupposes that questions are natural and unrestricted with respect to topic. The question answering (Q/A) techniques, as embodied in today’s systems, can be roughly divided into two types: (1) techniques for information seeking (IS) which localize the answer in vast document collections; and (2… CONTINUE READING
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