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Table 4 Error analysis of the false positives (percentage) for ChemSpider and Chemlist.

From: Automatic vs. manual curation of a multi-source chemical dictionary: the impact on text mining

Error type

False positives

 

ChemSpider

Chemlist

Partial match

21 (64%)

96 (41%)

Annotation error

11 (33%)

29 (13%)

Out of corpus scope

1 (3%)

79 (34%)

Not a chemical

0

28 (12%)