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Local-Based Semantic Navigation on a Networked Representation of Information

Figure 5

Similarity to target (Carlsberg) vs. similarity to source (Sega_Game_Gear).

In this example, our semantic path (red) is comprised by jumps whereas shortest paths (green) involve steps (-fold degenerated). However, a slight efficiency loss can be compensated by a truly coherent path. Observe how the shortest path decreases its similarity to the target at some intermediate points. At these points, shortest paths navigate through hubs (like September_7 or 1999) which exhibit shallow similarities with source and target, but help to reach the target in a small number of steps. The remaining similarity pairs with the rest of nodes are depicted as a scatter plot.

Figure 5

doi: https://doi.org/10.1371/journal.pone.0043694.g005