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 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | 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 |