Table 8.
Feature Sets | Num of Features | Naïve | LR | SVM |
---|---|---|---|---|
Words | 27406 | 0.58 | 0.62 | 0.64 |
CUI | 10258 | 0.57 | 0.67 | 0.66 |
CUI_SEC | 25947 | 0.65 | 0.66 | 0.69 |
CUI_SEC + CUI_NEG | 27978 | 0.64 | 0.67 | 0.66 |
CUI_SEC + CUI_NEG + STY | 28237 | 0.64 | 0.65 | 0.68 |
CUI_count | 10576 | 0.62 | 0.55 | 0.55 |
CUI_count_tfidf | 10572 | 0.61 | 0.65 | 0.64 |
Refined CUI_count | 93 | 0.66 | 0.54 | 0.51 |
Refined CUI_count+CUI_SEC+CUI_NEG +STY | 670 | 0.66 | 0.64 | 0.69 |