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The analysis of errors focuses on the lemma-based model using lexicon and corpus information with the full vocabulary and the full corpus (LEAFF). Table 7 presents the confusion matrix of the model. Rows correspond to manually labeled data and columns are predictions from the classifier. The correct predictions are in the diagonal (in bold-face). The errors are marked in italics.

Table 7

Confusion matrix for the LEAFF model.

ADN

Result
Event
Underspecified
Lexicalized
Total
Manually Validated Result 18,997 575 397 54 20,023 
Event 676 933 242 2 1,853 
Underspecified 643 309 453 7 1,412 
Lexicalized 90 2 2 49 143 
Total 20,406 1,819 1,094 112 23,431 
ADN

Result
Event
Underspecified
Lexicalized
Total
Manually Validated Result 18,997 575 397 54 20,023 
Event 676 933 242 2 1,853 
Underspecified 643 309 453 7 1,412 
Lexicalized 90 2 2 49 143 
Total 20,406 1,819 1,094 112 23,431 

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