Observing a Society Through Time

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Networks Diverge Over Time

Note: in order to run the simulation referred to in this slide, go here, to the Java Applet version. You will be directed to download the latest version of the Java plug-in.

Here, we've recreated the demonstration from the previous slide in order to make another observation:

As time moves on, the connected networks tend to move apart from one another in the amount of knowledge that they hold. The benefit to being in the top network increases with time.

It might be possible to raise the objection that these results depend on our particular choice of a learning function which we modeled as linearly compounding. In fact, however, this is not the case. Even if the rate of change in information exhibits diminishing returns, results analogous to those mentioned above, where groups move apart from one another, still hold (a formal proof is provided in the paper).

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