参考文献

[1] DE SOLA POOL I，KOCHEN M.Contacts and influence[J].Social networks，1978，1（1）：5-51.

[2] SCHNETTLER S.A structured overview of 50 years of small-world research[J].Social networks，2009，31（3）：165-178.

[3] MILGRAM S.The small world problem[J].Psychology today，1967，2（1）：60-67.

[4] DODDS P S，MUHAMAD R，WATTS D J.An experimental study of search in global social networks[J].science，2003，301（5634）：827-829.

[5] BOCHNER S，BUKER E A，MCLEOD B M.Communication patterns in an international student dormitory：A modification of the Small World Method 1[J].Journal of Applied Social Psychology，1976，6（3）：275-290.

[6] KORTE C，MILGRAM S.Acquaintance networks between racial groups：Application of the small world method[J].Journal of personality and social psychology，1970，15（2）：101.

[7] LIN N，DAYTON P，GREENWALD P.The urban communication network and social stratification：A small world experiment[J].Annals of the International Communication Association，1977，1（1）：107-119.

[8] BACKSTROM L，BOLDI P，ROSA M，et al.Four degrees of separation[C]//Proceedings of the 4th Annual ACM Web Science Conference.2012：33-42.

[9] WATTS D J，STROGATZ S H.Collective dynamics of ‘small-world’networks[J].Nature，1998，393（6684）：440-442.

[10] BOLLOBÁS B，CHUNG F R K.The diameter of a cycle plus a random matching[J].SIAM Journal on discrete mathematics，1988，1（3）：328-333.

[11] 大卫·伊斯利，乔恩·克莱因伯格.网络、群体与市场[M].北京：清华大学出版社，2011.

[12] NEWMAN M E J，MOORE C，Watts D J.Mean-field solution of the small-world network model[J].Physical Review Letters，2000，84（14）：3201.

[13] KLEINBERG J M.Navigation in a small world[J].Nature，2000，406（6798）：845-845.

[14] KLEINBERG J.The small-world phenomenon：An algorithmic perspective[C]//Proceedings of the thirty-second annual ACM symposium on Theory of computing.2000：163-170.

[15] WATTS D J.Six degrees：The science of a connected age[M].New York：WW Norton & Company，2004.

[16] FOWLER J H，SMIRNOV O.Mandates，parties，and voters：how elections shape the future[M].Philadelphia：Temple University Press，2007.

[17] SMEETS B，WATTÉ R，RAMON H.Scaling analysis of COVID-19 spreading based on Belgian hospitalization data[J].medRxiv，2020：2020.03.29.20046730.

[18] SCHLOSSER F，MAIER B F，JACK O，et al.COVID-19 lockdown induces disease-mitigating structural changes in mobility networks[J].Proceedings of the National Academy of Sciences，2020，117（52）：32883-32890.

[19] HELMY A.Small worlds in wireless networks[J].IEEE Communications Letters，2003，7（10）：490-492.

[20] GUIDONI D L，BOUKERCHE A，OLIVEIRA H A B F，et al.A small world model to improve synchronization algorithms for wireless sensor networks[C]//The IEEE symposium on Computers and Communications.IEEE，2010：229-234.

[21] ZHANG T，CAO J，CHEN Y，et al.A small world network model for energy efficient wireless networks[J].IEEE Communications Letters，2013，17（10）：1928-1931.

[22] HE Y，CHEN Z J，EVANS A C.Small-world anatomical networks in the human brain revealed by cortical thickness from MRI[J].Cerebral cortex，2007，17（10）：2407-2419.

[23] BASSETT D S，BULLMORE E，VERCHINSKI B A，et al.Hierarchical organization of human cortical networks in health and schizophrenia[J].Journal of Neuroscience，2008，28（37）：9239-9248.

[24] SANABRIA-DIAZ G，MELIE-GARCÍA L，ITURRIA-MEDINA Y，et al.Surface area and cortical thickness descriptors reveal different attributes of the structural human brain networks[J].Neuroimage，2010，50（4）：1497-1510.

[25] FOWLER H J.14 Turnout in a Small World[M].Philadelphia：Temple University Press，2005.

[26] SOHN I.Small-world and scale-free network models for IoT systems[J].Mobile Information Systems，2017，2017.

[27] WEEDEN K A，CORNWELL B.The small-world network of college classes：implications for epidemic spread on a university campus[J].Sociological science，2020，7：222-241.

[28] DONG Y，LIZARDO O，CHAWLA N V.Do the young live in a smaller world than the old？age-specific degrees of separation in a large-scale mobile communication network[J].arXiv preprint arXiv：1606.07556，2016. dpbQxErIHAYp9MebrHX8xvoVjJA2gvylajoW166sDHkLAQyFbaQ489odcZJpFFFV