On Fri, Sep 5, 2014 at 4:50 PM, Terren Suydam <[email protected]>
wrote:

>
> On Fri, Sep 5, 2014 at 10:35 AM, Telmo Menezes <[email protected]>
> wrote:
>
>>
>> In the blog post I make an effort to interpret the equations. To try to
>> answer your question, consider the "political blogs" case. The expression
>> is:
>>
>> w(i, j) = exp(4 - 2d)
>>
>> One possibility that this raises: maybe we can explain bi-partidarism as
>> the simple outcome of social contagion. You ran this generator (for the
>> network size of the real case) and you get two communities with a small
>> interface -- just like the political blog network discussing the elections
>> in 2004. It proves nothing, of course. But it hints at something.
>>
>>
> This reminds me of
> http://www.cs.sjsu.edu/~pearce/modules/lectures/abs/as/ca.htm. Ethnic
> clustering is modeled by cellular automata.  Start with a 2D grid of cells
> of different colors, and a single rule that if a cell doesn't have at least
> one neighbor of similar color, it swaps with a random cell. The resulting
> grid converges on uniform blocks of color. It shows that segregation occurs
> even with a very weak preference to be with others of like color, where
> color could be stand in for skin color or any other identifying trait.
>

Yes, it's very reminiscent of Schelling's model, no doubt. Here we have
something extra that I think is interesting: we started with a real dataset
and reverse-engineered it. We found a segregation model without assuming it
at the start. Of course this is all speculative: all we really have is an
expression. Its interpretation is debatable.

Telmo.


>
> T
>
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