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Table 7 The full confusion matrix for the ambiguous entity “alkyl” calculated for ChemSpot and tmChem over CEMP_T and CEMP_D corpora

From: Recognizing chemicals in patents: a comparative analysis

ChemSpot CEMP_T Predicted “alkyl” Predicted others tmChem CEMP_T Predicted “alkyl” Predicted others
Actual TP FN Actual TP FN
“Alkyl” 354 74 “Alkyl” 206 226
Actual FP TN Actual FP TN
Others 260 599 Others 39 816
ChemSpot CEMP_D Predicted “alkyl” Predicted others tmChem CEMP_D Predicted “alkyl” predicted others
Actual TP FN Actual TP FN
“Alkyl” 372 59 “Alkyl” 187 246
Actual FP TN Actual FP TN
Others 194 560 Others 37 715