A statistical classification approach to question answering using Web data

@article{Whittaker2005ASC,
  title={A statistical classification approach to question answering using Web data},
  author={Edward W. D. Whittaker and Sadaoki Furui and Dietrich Klakow},
  journal={2005 International Conference on Cyberworlds (CW'05)},
  year={2005},
  pages={8 pp.-428}
}
In this paper we treat question answering (QA) as a classification problem. Our motivation is to build systems for many languages without the need for highly tuned linguistic modules. Consequently, word tokens and Web data are used extensively but no explicit linguistic knowledge is incorporated. A mathematical model for answer retrieval, answer classification and answer length prediction is derived. The TREC 2002 QA task is used for system development where 33% of questions are answered… CONTINUE READING

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