Table 8 Statistics of extraction errors by our method
From: Improving chemical disease relation extraction with rich features and weakly labeled data
Error type | FN | FP | Total | % |
|---|---|---|---|---|
NER or normalization errors | 254 | 58 | 312 | 39.90 |
CID relations mentioned in single sentences | 148 | 124 | 272 | 34.78 |
CID relations asserted across sentences | 63 | 54 | 117 | 14.96 |
Extracted disease or chemical in CID is too general | 0 | 46 | 46 | 5.88 |
The extracted disease/chemical pair is a treatment relation | 0 | 29 | 29 | 3.71 |
Annotated CID relations absent in the abstract | 6 | 0 | 6 | 0.77 |
Total | 471 | 311 | 782 | Â |