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Table 11 Example of a token sequence tagged with matches against our affix lists.

From: Optimising chemical named entity recognition with pre-processing analytics, knowledge-rich features and heuristics

  Prefixes Suffixes
Token size 2 size 3 size 4 size 2 size 3 size 4
Incubation O O O O O O
with O O O O O O
diisopropyl di O O yl O O
fluorophosphate O O fluo O ate O
and O O O O O O
bis-(4-nitrophenyl) O O O O O O
phosphate O O O O ate O