Toward a Universal Understanding ofHuman Mobility and Social Networks胡延庆郁迪张江黎勇樊瑛王有贵狄增如北京师范大学管理学院系统科学系北京师范大学复杂性研究中心2010.10苏州
Toward a Universal Understanding of Human Mobility and Social Networks 胡延庆 郇迪 张江 黎勇 樊瑛 王有贵 狄增如 北京师范大学管理学院系统科学系 北京师范大学复杂性研究中心 2010.10 苏州
Background and Motivation Empirical Results of Mobility- Animals and Human Beings- Understanding WhySocialNetworks- Distance Distribution of Social Links- Maximum Entropy Yields It Toward Universal Understanding ofBoth Mobility and Social Networks
Background and Motivation ◼ Empirical Results of Mobility – Animals and Human Beings – Understanding Why ◼ Social Networks – Distance Distribution of Social Links – Maximum Entropy Yields It ◼ Toward Universal Understanding of Both Mobility and Social Networks
Mobility Pattern50Pattern:mostofthestudieson0.545μ=1.860815231(x)N0607animal mobilitypattern including2=0.924035experimental dataandtheoreticoa8506analysisfoundthattheirmobility-3patterhfollowtheLevyflight-0.50.5-10Log1oxPrid10bdc212二8:02=3.044=0.0502F0T29199914789101112131415161718012OO00zooplankton(gm-3)1CO[(Xn'Rouanbal] pezjeoN"Bo919Qo-6o-6-70Co2015e1+=1.812=1.010191990oOAO-12o-2-3o000004O-5oGo1.50-0.50.5Elog1o[Movestep,x (m)Levyflightsearchpatternsof wanderingalbatrosses,Nature381,(1996)RevisitingLevyflightsearchpatternsofwanderingalbatrosses,bumblebees anddeer,NATURElVol449125October2007Scalinglawsofmarinepredatorsearchbehaviour,Nature(2008)
Mobility Pattern Pattern: most of the studies on animal mobility pattern including experimental data and theoretic analysis found that their mobility pattern follow the Levy flight: Levy flight search patterns of wandering albatrosses, Nature 381, (1996) Revisiting Le´vy flight search patterns of wandering albatrosses, bumblebees and deer, NATURE| Vol 449|25 October 2007 Scaling laws of marine predator search behaviour, Nature (2008 ) 2 Pr( ) − d d
Human Mobility-1.5910-1品中四口10~2M1013区1010-1010-41010°1010r (km)10-5100102103101r (km)D. Brockmann, L. Hufnagel and T. Geisel, The scalinglaws of human travel, Nature, 439, 462-465, (2006)
Human Mobility D. Brockmann, L. Hufnagel and T. Geisel, The scaling laws of human travel, Nature, 439, 462-465, (2006). -1.59
Human Mobility1.751002cOD1700口D210-1600(Ar + Nro)-Pe-r/k10-2500(SV)10-3 400010-430010-520010-610010-7100102103101104100:200300400500600700Distance (km)r (km)Understanding individual human mobilitypatternsMarta C. Gonza'lez, Ce'sar A. Hidalgo & Albert-La szloBarabasi,NATURElVol453|5June2008
Human Mobility 1.75 Understanding individual human mobility patterns Marta C. Gonza´lez, Ce´sar A. Hidalgo & Albert-La´szlo´ Baraba´si, NATURE| Vol 453|5 June 2008