Table 1 Identifying directional relationships in MEDLINE for the chemical compound caffeine on the basis of summarized relationships after analysis of 17,145 abstracts.
From: Large-scale directional relationship extraction and resolution
ObjectName | No rel. | ND Rel. | F+ | F- | Fn | R+ | R- | Rn | Expected | Extracted |
|---|---|---|---|---|---|---|---|---|---|---|
(-)-Adrenaline | 58 | 22 | 14 | 4 | 17 | 0 | 3 | 17 | F+ | F+ |
(-)-Dopa | 5 | 2 | 1 | 0 | 1 | 1 | 0 | 2 | F+ | None |
Cyclic AMP | 30 | 9 | 21 | 11 | 12 | 4 | 3 | 13 | F+ | F+ |
diuresis | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | F+ | F+ |
Drowsiness | 2 | 0 | 3 | 1 | 1 | 1 | 0 | 0 | F - | F+ |
Fatigue | 23 | 8 | 4 | 6 | 15 | 1 | 0 | 11 | F- | F- |
Fatty acid | 10 | 0 | 1 | 0 | 6 | 0 | 0 | 2 | F+ | None |
gastric acid secretion | 3 | 3 | 1 | 0 | 2 | 0 | 0 | 1 | F+ | None |
Glycerol | 15 | 6 | 2 | 3 | 8 | 0 | 0 | 3 | F+ | F - |
insomnia | 16 | 3 | 3 | 0 | 5 | 0 | 0 | 2 | F+ | F+ |
Irritability | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 1 | F+ | F+ |
Lethargy | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | F- | None |
lipid metabolism | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | F+ | None |
Nervousness | 0 | 1 | 0 | 1 | 5 | 0 | 0 | 1 | F+ | None |
Norepinephrine | 61 | 19 | 10 | 2 | 18 | 4 | 0 | 16 | F+ | F+ |
Palpitation | 5 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | F+ | None |
PKA | 3 | 1 | 1 | 0 | 3 | 0 | 0 | 2 | F+ | None |
Respiratory alkalosis | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | F+ | None |
ryanodine-sensitive calcium-release channel activity | 48 | 18 | 33 | 2 | 17 | 5 | 4 | 15 | F+ | F+ |
vasodilation | 2 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | F- | F- |
vasoconstriction | 5 | 0 | 3 | 0 | 2 | 0 | 0 | 0 | F+ | F+ |