UMLS::Similarity Web Interface

UMLS::Similarity is a freely available open source software package that can be used to obtain the similarity or relatedness between two biomedical terms from the Unified Medical Language System (UMLS).

Version information

UMLS version MMSYS-2015AB-20151109

UMLS::Interface version 1.47

UMLS::Similarity version 1.45

[Tue Aug 22 13:40:23 2017] umls_similarity.cgi: Use of "goto" to jump into a construct is deprecated at /usr/lib/cgi-bin/umls_similarity/umls_similarity.cgi line 85, line 4.

HTTP server: maraca.d.umn.edu (Linux maraca 4.4.0-53-generic #74~14.04.1-Ubuntu SMP Fri Dec 2 03:43:31 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux)

Similarity server: localhost


DIRECTIONS: You may enter any two terms or Concept Unique Identifiers (CUIs) below. If terms are entered, then the relatedness or similarity of the possible CUIs will be computed and the pair with the highest score returned. The difference between similarity and relatedness is ....

Detailed instructions.
About the Similarity Measures.
About the Relatedness Measures.




Semantic Similarity






Semantic Relatedness





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