The Neighborhood Auditing Tool (NAT)


The Neighborhood Auditing Tool has been developed by the Structural Analysis of Biomedical Ontologies Center (SABOC) in support of our UMLS research. The NAT has been presented at:

  • Columbia University (New York City, New York)
  • United States National Library of Medicine (Bathesda, M.D.)
  • AMIA (to individual researchers)
  • University of Texas (Houston, TX)
  • The National Center for Biomedical Ontology, Stanford University (Stanford, CA) (Webinar)


The Neighborhood Auditing Tool: A hybrid interface for auditing the UMLS
Morrey CP, Geller J, Halper M, Perl Y
Journal of Biomedical Informatics
Volume 42, Issue 3, June 2009, Pages 468-489
Auditing of Terminologies


Webinar for The National Center for Biomedical Ontology, October 24, 2010

Presentation on the NAT, October 2, 2008, Columbia University

Presentation on the NAT, June 17, 2009, National Library of Medicine

NAT Introduction Video

Watch our introductory video and see the NAT in action!

NAT Tutorial Video

Learn how to use the NAT in this tutorial video.