The article has been published in Nature González, M. C. , Hidalgo, C.
A. & Barabási, A.-L.
Mobile phones demystify commuter rat race
<http://www.nature.com/news/2008/080604/full/news.2008.874.html>
Nature 453, 779–782 (2008).
Has anyone here access to the article ?
> Researchers have come up with a new use for the ubiquitous mobile
> phone: tracking human movements. By monitoring the signals from
> 100,000 mobile-phone users sending and receiving calls and text
> messages, a team from Northeastern University in Boston,
> Massachusetts, has worked out some apparently universal laws of human
> motion.
>
>
>
> The distances people covered varied widely between individuals, but
> follow a similar pattern — most people move on average a short
> distance on a daily basis, whereas a few hardy souls move long
> distances in a short time.
The researchers found a distance decay in movement patterns. Surprise.
On the individual level, what about Frederick Stutz. 1973. Distance and
Network Effects on Urban Social Travel Fields. Economic Geographic 49,
134-144.
On the aggregate level, in planning telephone networks and tariff
structures the distance decay of call patterns is used since the end of
the 19th century.
A real treat would have been to compare the distance gradients for
different groups, or technologies.
- F. Thomas
[EMAIL PROTECTED] wrote:
>
> Hello all,
>
> I have not found the original paper in Nature, but it seems that the
> study has also riven rise to some questions about tracking via use
> of the mobile phone.
>
> Rich L.
>
> http://edition.cnn.com/2008/TECH/06/04/cell.tracking.ap/index.html
>
>
> >
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