Fig. 3
From: Topology of products similarity network for market forecasting

Strength s as function of the degree k of nodes. The line shows that the real data follow a power law behavior with an exponent β≈1.5
From: Topology of products similarity network for market forecasting
Strength s as function of the degree k of nodes. The line shows that the real data follow a power law behavior with an exponent β≈1.5