Cohort Shepherd: Discoving Cohort Traits from Hospital Visits

@inproceedings{Goodwin2011CohortSD,
  title={Cohort Shepherd: Discoving Cohort Traits from Hospital Visits},
  author={Travis Goodwin and Bryan Rink and Kirk Roberts and Sanda M. Harabagiu},
  booktitle={TREC},
  year={2011}
}
This paper describes the system created by the University of Texas at Dallas for contentbased medical record retrieval submitted to the TREC 2011 Medical Records Track. Our system builds a query by extracting keywords from a given topic using a Wikipedia-based approach we use regular expressions to extract age, gender, and negation requirements. Each query is then expanded by relying on UMLS, SNOMED, Wikipedia, and PubMed Co-occurrence data for retrieval. Four runs were submitted: two based on… CONTINUE READING
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