The Neighborhood Auditing Tool (NAT)
The Neighborhood Auditing Tool (NAT)

A free Browser and Auditing Tool for the
Unified Medical Language System (UMLS)
developed by the

Structural Analysis of Biomedical Ontologies Center (SABOC)
at the
New Jersey Institute of Technology (NJIT)

*This work was partially supported by the United States National Library of Medicine under grant R 01 LM008445-01A2.

Current Version: Release 1.2.1 (July 19th, 2011)


Run the Neighborhood Auditing Tool - Full Version
For access to the full version you must have a valid UMLS License from NLM. After starting the NAT you will be asked to enter your UMLS Terminology Services (UTS) username and password for verification with NLM. SABOC is a NLM Authorized Content Distributor. Your UTS username and password will only be used for UMLS license verification. Under no circumstances will we save or share your UTS username and password.

Run the Neighborhood Auditing Tool - Public Domain Version
Includes 58 public domain sources from the UMLS. Available to everyone.

Run the Neighborhood Auditing Tool - Public Domain + SNOMED CT Version
Includes 58 public domain sources + SNOMED CT from the UMLS. Available to anyone with a SNOMED CT License.

By clicking the above link you acknowledge that you have a valid SNOMED CT license. To obtain a license please visit the UMLS Terminology Services (UTS) website and register for a license.

UMLS Semantic Type Adviser


Run the UMLS Semantic Adviser
The UMLS Semantic Type Adviser helps UMLS editors to determine whether a pair of semantic types is permitted, prohibited, or requires more research. The UMLS Semantic Type Adviser is accessible here.
To run the NAT you must have the latest version of the Java Runtime Environment installed from Oracle. You can download it by clicking here. If you have used an older version of the NAT and receive an error, you may need to uninstall the NAT and click one of the links above to start a newer version. Click Here for instructions on how to do so. If you are behind a proxy connection and experiance problems starting the NAT, consult this guide from Oracle.

We would like to acknowledge all of our current and former student developers for their contributions to the Neighborhood Auditing Tool.

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.

Google Groups
Subscribe to Neighborhood Auditing Tool (NAT) Users Group
Email:
Visit this group