From: Optimising chemical named entity recognition with pre-processing analytics, knowledge-rich features and heuristics
DDI test
PK
P
R
F1
ChER
75.88
92.05
83.18
79.83
88.34
83.87
ChemSpot
73.09
89.49
80.46
65.29
86.07
74.25
OSCAR4
60.20
85.51
70.66
42.65
81.71
56.04