Table 5 Label prediction by the CRF model on the test file
From: Combination of conditional random field with a rule based method in the extraction of PICO elements
Sentence | Conditional probability calculated by the FRC model | Sentence label |
|---|---|---|
1 | P (POPULATION | Phrase1) = p1 | p4 > p1, p2, p3 ➔label = OTHER |
P (INTERVENTION | Phrase1) = p2 | ||
P (OUTCOME | Phrase1) = p3 | ||
P (OTHER | Phrase1) = p4 | ||
1 | P (POPULATION | Phrase1) = p1 | p2 > p1, p4, p3 ➔label = INTERVENTION |
P (INTERVENTION | Phrase1) = p2 | ||
P (OUTCOME | Phrase1) = p3 | ||
P (OTHER | Phrase1) = p4 | ||
1 | P (POPULATION | Phrase1) = p1 | p1 > p2, p4, p3 ➔label = POPULATION |
P (INTERVENTION | Phrase1) = p2 | ||
P (OUTCOME | Phrase1) = p3 | ||
P (OTHER | Phrase1) = p4 |