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Table 2 Evaluation results for confidence threshold 0.5. The precision values are identical for both corpora, but recall is considerably higher for the smaller corpus.

From: Automated Patent Categorization and Guided Patent Search using IPC as Inspired by MeSH and PubMed

Corpus

Precision

Recall

F1-measure

C 73

0.88

0.90

0.89

C 1205

0.88

0.84

0.86