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Table 3 Number of terms in the test corpus per type assignment method and per resource.

From: Event extraction of bacteria biotopes: a knowledge-intensive NLP-based approach

 

MBTO

EnvO

DTa2

% of corpus terms

16%

9%

10%

Exact match

147

46

72

Main head of term

133

114

103

Subterm head

5

4

3

Ambiguous head

26

21

17

Total head matching

164

(52%)

139

(91%)

123

(63%)

Total

311

185

195