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J Am Med Inform Assoc 17:507-513 doi:10.1136/jamia.2009.001560
  • Application of information technology

Mayo clinical Text Analysis and Knowledge Extraction System (cTAKES): architecture, component evaluation and applications

Table 3

Accuracy and F-score results for the OpenNLP shallow parser. Rows represent training data; columns are test data. 10-fold cross validation with 80/20 data split for each fold

Accuracy and F-score (from CoNLL script) PTB GENIA Mayo
PTB 0.969/0.954 0.917/0.884 0.879/0.846
GENIA 0.888/0.826 0.956/0.935 0.839/0.768
Mayo 0.880/0.834 0.901/0.858 0.945/0.912
PTB+ GENIA+Mayo 0.969/0.953 0.953/0.932 0.952/0.924

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