Figure 1

The shades guide two partitioned segments in a network representation. The solid lines denote the existing weighted pairs up to t while the dotted lines (a, b, c) possible additions introduced by newly created combinations (a set of codes used in a patent) at \(t+1\). Depending on where a new combination is overlaid in the network structure, the invention at \({t+1}\) consists atypical, typical or neutral pairs relative to the random chance.