Typed edge between two facts in the network graph. Direction matters for causal edges (premise → conclusion); other kinds are bidirectional and stored as a pair of edges.
Source fact ID.
Target fact ID.
Edge kind — drives μ(ℓ) multiplier in spreading activation.
Edge weight. Composed with decay δ and μ(ℓ) at activation time.
Typed edge between two facts in the network graph. Direction matters for causal edges (premise → conclusion); other kinds are bidirectional and stored as a pair of edges.