The University of Sheffield's TREC 2006 Q&A Experiments

  title={The University of Sheffield's TREC 2006 Q&A Experiments},
  author={Mark A. Greenwood and Mark Stevenson and Robert J. Gaizauskas},
Our entries in the TREC 2005 QA evaluation continue experiments carried out as part of TREC 2004. Hence here, as there, we report work on multiple approaches to both the main and document ranking tasks. For query generation and document retrieval we explored two approaches, one based on Lucene , the other on MadCow, an in-house boolean search engine. For answer extractrion we have also explored two approaches, one a shallow approach based on semantic typing and question-answer word overlap, the… CONTINUE READING
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