Navigating networks by using homophily and degree.

Proceedings of the National Academy of Sciences of the United States of America
Ozgür Simşek, David Jensen

Abstract

Many large distributed systems can be characterized as networks where short paths exist between nearly every pair of nodes. These include social, biological, communication, and distribution networks, which often display power-law or small-world structure. A central challenge of distributed systems is directing messages to specific nodes through a sequence of decisions made by individual nodes without global knowledge of the network. We present a probabilistic analysis of this navigation problem that produces a surprisingly simple and effective method for directing messages. This method requires calculating only the product of the two measures widely used to summarize all local information. It outperforms prior approaches reported in the literature by a large margin, and it provides a formal model that may describe how humans make decisions in sociological studies intended to explore the social network as well as how they make decisions in more naturalistic settings.

References

May 23, 2002·Science·Duncan J WattsM E J Newman
Aug 9, 2003·Science·Peter Sheridan DoddsDuncan J Watts

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Citations

Jun 20, 2012·Proceedings of the National Academy of Sciences of the United States of America·Martijn P van den HeuvelOlaf Sporns
Jan 19, 2012·Topics in Cognitive Science·S R Sudarshan IyengarAbhiram Natarajan
May 14, 2011·Cognitive Science·Kit Ying Chan, Michael S Vitevitch
Jul 4, 2015·Nature Communications·András GulyásDmitri Krioukov
Feb 22, 2017·Scientific Reports·Xiaogang JinYong Min
Sep 14, 2012·Nature·Fragkiskos PapadopoulosDmitri Krioukov
Jan 12, 2019·Proceedings of the National Academy of Sciences of the United States of America·Caio SeguinAndrew Zalesky
Mar 9, 2019·PLoS Computational Biology·Andrea Avena-KoenigsbergerOlaf Sporns
Oct 20, 2018·Scientific Reports·Yezheng LiuYuanchun Jiang
Jul 7, 2019·Sensors·Paolo Lo GiudiceLuca Virgili
Apr 15, 2016·Physical Review. E·Zheng Xie, Tim Rogers
Apr 19, 2017·Physical Review. E·Maksim KitsakDmitri Krioukov
Aug 5, 2017·Scientific Reports·Attila CsomaAndrás Gulyás
Jan 26, 2020·Scientific Reports·András GulyásZalán Heszberger
Mar 28, 2021·Scientific Reports·Weiwei GuJiang Zhang

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