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Table 1 Precision (P), recall (R) and F-score (F) of the dictionaries on the annotated corpus.

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

Dictionary Unprocessed Filtered Frequent terms correction Disambiguation
  P R F P R F P R F P R F
ChemSpider 0.43 0.19 0.26 0.81 0.19 0.31 0.85 0.19 0.31 0.87 0.19 0.31
Chemlist 0.20 0.47 0.28 0.39 0.46 0.42 0.55 0.46 0.50 0.67 0.40 0.50