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SOCNET  May 2017

SOCNET May 2017

Subject:

selected Latest Complexity Digest Posts (fwd)

From:

Barry Wellman <[log in to unmask]>

Reply-To:

Barry Wellman <[log in to unmask]>

Date:

Mon, 22 May 2017 10:18:04 -0400

Content-Type:

MULTIPART/MIXED

Parts/Attachments:

Parts/Attachments

TEXT/PLAIN (112 lines)

*****  To join INSNA, visit http://www.insna.org  *****



   Barry Wellman

    A vision is just a vision if it's only in your head
    Step by step, link by link, putting it together
                  Streisand/Sondheim
  _______________________________________________________________________
   NetLab Network                 FRSC                      INSNA Founder
   http://www.chass.utoronto.ca/~wellman           twitter: @barrywellman
   NETWORKED: The New Social Operating System  Lee Rainie & Barry Wellman
                        http://amzn.to/zXZg39
   _______________________________________________________________________


---------- Forwarded message ----------
Date: Mon, 22 May 2017 11:02:43 +0000
From: "[utf-8] Complexity Digest" <[log in to unmask]>
Reply-To: [log in to unmask]
To: "[utf-8] Barry" <[log in to unmask]>
Subject: [utf-8] Latest Complexity Digest Posts

Learn about the latest and greatest related to complex systems research. More at http://unam.us4.list-manage1.com/track/click?u=0eb0ac9b4e8565f2967a8304b&id=4de426156c&e=55e25a0e3e




People on the move

    Science helps us think more clearly about migration, in part by showing 
its deep roots. Researchers wielding powerful new methods have discovered 
ancient, hidden migrations that shaped today's populations. Go back far 
enough and almost all of us are immigrants, despite cherished stories of 
ethnic and national origins. Science can also aid the 21 million migrants 
today who are refugees from violence or famine, according to the United 
Nations. They need food, medicine, and shelter now, but in the long run it 
is their mental health that will be key to building new lives, as shown by 
a case study of the long-persecuted Yezidis. The success of these and 
other immigrants depends in part on whether new countries spurn or welcome 
them, and research is starting to show how to manage our long-standing 
biases against outsiders.


People on the move
Elizabeth Culotta

Science 19 May 2017:
Vol. 356, Issue 6339, pp. 676-677
DOI: 10.1126/science.356.6339.676

Source: science.sciencemag.org (http://unam.us4.list-manage.com/track/click?u=0eb0ac9b4e8565f2967a8304b&id=063c9ced99&e=55e25a0e3e)



Locally noisy autonomous agents improve global human coordination in network experiments

    Coordination in groups faces a sub-optimization problem and theory 
suggests that some randomness may help to achieve global optima. Here we 
performed experiments involving a networked colour coordination game in 
which groups of humans interacted with autonomous software agents (known 
as bots). Subjects (n=4,000) were embedded in networks (n=230) of 
20 nodes, to which we sometimes added 3 bots. The bots were programmed 
with varying levels of behavioural randomness and different geodesic 
locations. We show that bots acting with small levels of random noise and 
placed in central locations meaningfully improve the collective 
performance of human groups, accelerating the median solution time by 
55.6%. This is especially the case when the coordination problem is hard. 
Behavioural randomness worked not only by making the task of humans to 
whom the bots were connected easier, but also by affecting the gameplay of 
the humans among themselves and hence creating further cascades of benefit 
in global coordination in these heterogeneous systems.


Locally noisy autonomous agents improve global human coordination in network experiments

Hirokazu Shirado & Nicholas A. Christakis

Nature 545, 370374 (18 May 2017) doi:10.1038/nature22332

Source: www.nature.com (http://unam.us4.list-manage.com/track/click?u=0eb0ac9b4e8565f2967a8304b&id=effced5ccd&e=55e25a0e3e)



A New Kind of Science: A 15-Year View

    Starting now, in celebration of its 15th anniversary, A New Kind of 
Science will be freely available in its entirety, with high-resolution 
images, on the web or for download.

Source: backchannel.com (http://unam.us4.list-manage.com/track/click?u=0eb0ac9b4e8565f2967a8304b&id=dc5efa6b4c&e=55e25a0e3e)


==============================================
Sponsored by the Complex Systems Society.
Founding Editor: Gottfried Mayer.
Editor-in-Chief: Carlos Gershenson.

You can contribute to Complexity Digest selecting one of our topics (http://unam.us4.list-manage.com/track/click?u=0eb0ac9b4e8565f2967a8304b&id=b686cdefa3&e=55e25a0e3e ) and using the "Suggest" button.
==============================================
==============================================



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