Semantic Reclassification of UMLS Concepts Using Automated Methods

- Associated Publications -

• Fan JW, Xu H, Friedman C. Using distributional analysis to semantically classify UMLS concepts. In Proceedings of Medinfo 2007, Brisbane, Australia: 519-23.
• Fan JW, Friedman C. Classification of biomedical concepts using distributional similarity. J.Am.Med.Inform.Assoc. 2007 Jul-Aug;14(4):467-77. Epub 2007 Apr 25. PMCID: PMC2244895.
• Fan JW, Xu H, Friedman, C. Using contextual and lexical features to restructure and validate the classification of biomedical concepts. BMC Bioinformatics. 2007 Jul 24;8(1):264 [Epub ahead of print]. PMCID: PMC2014782.
• Fan JW, Friedman C. Combining contextual and lexical features to classify UMLS concepts. In Proc 2007 AMIA Symp; 2007. p. 231-4. PMCID: PMC2655898.
• Fan JW, Friedman C. Semantic reclassification of the UMLS concepts. Bioinformatics. 2008 Sep 1;24(17):1971-3. PMCID: PMC2519163.

- Supplementary information -

The broad classes and their underlying semantic types used in training the classifiers

The expert annotations and voted gold standard

- Download -

The reclassification table -->Format: CUI |Original Semantic Type 1, Type 2, ... |Top prediction by the lexical classifier |2nd prediction by the lexical classifier |Top prediction by the contextual classifier |2nd prediction by the contextual classifier