Table 2 Summary of the terminology and notation used throughout the manuscript
From: Discovering relations between indirectly connected biomedical concepts
Symbol | Explanation |
|---|---|
c i | a concept |
C | a set of concepts |
l | a label representing a relation |
R l | binary relation with label l |
(c i ,l,c j )/triple | a pair of concepts (c i ,c j ) connected by relation with label l |
R | a set of triples |
G | the knowledge graph |
P | a path in G |
f | a feature vector |
E +/ E − | a set of positive/negative examples |
θ | set of model parameters |
X | observable variables or observations defined by a model |
H | hidden or latent variables defined by a model |