29.01.2015 Views

Using SNOMED CT with the UMLS - Medical Ontology Research

Using SNOMED CT with the UMLS - Medical Ontology Research

Using SNOMED CT with the UMLS - Medical Ontology Research

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Extent of disagreement<br />

• Splitting of synonyms<br />

◦ 2,702 (1% of current) concepts and 3,958 (3%<br />

of synonyms)<br />

• Merging of concepts<br />

◦ 20811 (7% of current) concepts<br />

◦ Within hierarchy merges > across hierarchy<br />

merges<br />

• Trend of less disagreement over time<br />

(14% concepts in 2004)

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!