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Table 1 Results for RegEx and (tf.idf) classifiers. weighting schemas. For the VS engine, tf.idf parameters are provided: the first triplet indicates the weighting applied to the "document collection", i.e. the concepts, while the second is for the "query collection", i.e. the abstracts.

From: Automatic medical encoding with SNOMED categories

System or parameters

Top precision

Mean average precision

RegEx

0.641

0.400

tf.idf (VS)

lnc.atn

0.696

0.35525

anc.atn

0.691

0.3545

ltc.atn

0.75

0.33525

ltc.lnn

0.637

0.2775