Exploiting term dependence while handling negation in medical search

@inproceedings{Limsopatham2012ExploitingTD,
  title={Exploiting term dependence while handling negation in medical search},
  author={Nut Limsopatham and Craig MacDonald and Richard McCreadie and Iadh Ounis},
  booktitle={SIGIR},
  year={2012}
}
In medical records, negative qualifiers, e.g. no or without, are commonly used by health practitioners to identify the absence of a medical condition. Without considering whether the term occurs in a negative or positive context, the sole presence of a query term in a medical record is insufficient to imply that the record is relevant to the query. In this paper, we show how to effectively handle such negation within a medical records information retrieval system. In particular, we propose a… CONTINUE READING
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