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Table 2 An example of calculating the concept similarity score between the query term "gastro reflux" and the UMLS concept "gastro oesophageal reflux" for the ConceptScore_Vector construction.

From: Effectively processing medical term queries on the UMLS Metathesaurus by layered dynamic programming

  

UMLS concept

gastro

oesophageal

reflux

  

word index

i

k

j

query term

order

 

0

0

0

gastro

1

0

1

1

1

reflux

2

0

1

1.23594

2

  1. The calculation will refer to the WordSimilarityMatrix as shown in Table 1. The normalized final similarity score is 2*2/(2+3)=0.8.
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BMC Medical Genomics

ISSN: 1755-8794

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