Networks, Dynamics, and the Small-World Phenomenon

by: Duncan J Watts

The American Journal of Sociology, Vol. 105, No. 2. (1999), pp. 493-527.

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摘要

The small-world phenomenon formalized in this article as the coincidence of high local clustering and short global separation, is shown to be a general feature of sparse, decentralized networks that are neither completely ordered nor completely random. Networks of this kind have received little attention, yet they appear to be widespread in the social and natural sciences, as is indicated here by three distinct examples. Furthermore, small admixtures of randomness to an otherwise ordered network can have a dramatic impact on its dynamical, as well as structural, properties-a feature illustrated by a simple model of disease transmission.

@article{citeulike:311006, abstract = {The small-world phenomenon formalized in this article as the coincidence of high local clustering and short global separation, is shown to be a general feature of sparse, decentralized networks that are neither completely ordered nor completely random. Networks of this kind have received little attention, yet they appear to be widespread in the social and natural sciences, as is indicated here by three distinct examples. Furthermore, small admixtures of randomness to an otherwise ordered network can have a dramatic impact on its dynamical, as well as structural, properties-a feature illustrated by a simple model of disease transmission.}, author = {Watts, Duncan J. }, citeulike-article-id = {311006}, doi = {10.2307/2991086}, journal = {The American Journal of Sociology}, keywords = {network, sna, socio}, number = {2}, pages = {493--527}, posted-at = {2008-05-15 05:34:15}, priority = {2}, title = {Networks, Dynamics, and the Small-World Phenomenon}, url = {http://dx.doi.org/10.2307/2991086}, volume = {105}, year = {1999} }

RIS record

TY - JOUR ID - citeulike:311006 L3 - citeulike-article-id:311006 TI - Networks, Dynamics, and the Small-World Phenomenon JF - The American Journal of Sociology VL - 105 IS - 2 SP - 493 EP - 527 N2 - The small-world phenomenon formalized in this article as the coincidence of high local clustering and short global separation, is shown to be a general feature of sparse, decentralized networks that are neither completely ordered nor completely random. Networks of this kind have received little attention, yet they appear to be widespread in the social and natural sciences, as is indicated here by three distinct examples. Furthermore, small admixtures of randomness to an otherwise ordered network can have a dramatic impact on its dynamical, as well as structural, properties-a feature illustrated by a simple model of disease transmission. KW - network KW - sna KW - socio AU - Watts, Duncan PY - 1999/// UR - http://dx.doi.org/10.2307/2991086 ER -

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