Background & Context

US top hospital group sought the solution for Negation detection from clinical notes covering anatomical sites, symptoms, diagnosis, diagnostic test results to draw Health Status conclusion


  • Negation algorithm to decrease  false positives
  • Keyword dependency parser to identify dependency relationship between negation words and concepts within a sentence
  • Analytics Dashboard
  • Interface to EHR

Business impact

  • Reduced the number of incorrect negation assignment for patients with positive findings
  • Improved the identification of patients with the target clinical outcomes in EHRs