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The UMLS External Vocabulary Service is provided by the National Institutes of Health in the United States.  They require a username, password, and an apikey to use the service.  You can get a username, password and an apikey at no charge from the NIH.  Visit Visit for general information, and for information on generating an API key.

Once you have a username, password, and the apikey, create a text file called  Your file should look like the one below, with your values value for username, password and apikey substituted.

Code Block
username = yourumlsusername
password = yourumlspassword
apikey = yourumlsapikey

Place this file in the directory VIVO/installer/webapp/src/main/webResources/WEB-INF/classes/ in your source tree and reinstall VIVO.  (You can copy the file directly to WEB-INF/classes inside the VIVO directory under Tomcat's webapps directory if you want to use UMLS right away without reinstalling VIVO and restarting Tomcat.  Note that the file will not be preserved through future reinstallations unless you also add it to your source tree.)