Evaluation of an extraction-based approach to answering definitional questions

@inproceedings{Xu2004EvaluationOA,
  title={Evaluation of an extraction-based approach to answering definitional questions},
  author={Jinxi Xu and Ralph M. Weischedel and Ana Licuanan},
  booktitle={SIGIR},
  year={2004}
}
This paper evaluates an extraction-based approach to answering definitional questions. Our system extracted useful linguistic constructs called linguistic features from raw text using information extraction tools and formulated answers based on such features. The features employed include appositives, copulas, structured patterns, relations, propositions and raw sentences. The features were ranked based on feature type and similarity to a question profile. Redundant features were detected using… CONTINUE READING
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