Table 4 Number of correct and incorrect terms for each of the rewrite and suppression rules.
From: Rewriting and suppressing UMLS terms for improved biomedical term identification
Rule | Most frequent | Random | ||
|---|---|---|---|---|
Rewrite rules | Correct | Incorrect | Correct | Incorrect |
Syntactic inversion | 50 | 0 | 100 | 0 |
Possessives | 50 | 0 | 100 | 0 |
Short/long form | 49 | 1 | 98 | 2 |
Angular brackets | 50 | 0 | 97 | 3 |
Semantic type | 50 | 0 | 100 | 0 |
Begin parentheses | 1 | 25 | - | - |
End parentheses | 49 | 1 | 96 | 4 |
Begin brackets | 38 | 12 | 91 | 9 |
End brackets | 46 | 4 | 95 | 5 |
Suppression rules | Â | Â | Â | Â |
Dosages | 50 | 0 | 100 | 0 |
Short token | 50 | 0 | 100 | 0 |
At-sign | - | - | - | - |
EC numbers | 50 | 0 | 99 | 0 |
Any classification | 50 | 0 | 100 | 0 |
Any underspecification | 50 | 0 | 100 | 0 |
Miscellaneous | 50 | 0 | 100 | 0 |
Words > 5 | 0 | 50 | 5 | 95 |