Visualization of SNOMED CT’s non-lattice subgraphs can help make sense of what has been asserted in the hierarchical (is-a) relation. More importantly, it can demonstrate what has not been asserted, or “is-not-a,” using Closed-World Assumption for such subgraphs.

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Visualization and Retrospective Ground-Truthing

  • Guo-Qiang Zhang,
  • Rashmie Abeysinghe,
  • Licong Cui

摘要

Visualization of SNOMED CT’s non-lattice subgraphs can help make sense of what has been asserted in the hierarchical (is-a) relation. More importantly, it can demonstrate what has not been asserted, or “is-not-a,” using Closed-World Assumption for such subgraphs.