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arXiv 1007.2545physics.soc-ph
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社会复杂性:可以分析和建模吗?

Social Complexity: can it be analyzed and modelled?

Kimmo Kaski

摘要:

在过去的十年里,网络理论已经成为研究各种复杂系统的一种强有力的方法。通过数据分析、建模和仿真,可以获得对其结构、功能和响应的无与伦比的洞察力。在人类社会中,个人通过社会互动联系在一起,今天,现代信息通信技术越来越多地以电子方式进行调解,从而留下人类行为的“足迹”作为数字记录。对于这些数据集,网络理论方法是一种自然的方法,正如我们通过分析数百万用户移动电话通信日志的数据集所证明的那样。这个社会网络在结构上是模块化的,显示了个体与较强联系的社区以及联系较弱的社区之间的社区。这些实证研究结果启发了我们在网络理论的基础上进一步发展,即基于基本的网络社会学交友机制建立一个简单的网络模型,以捕捉中观社区和宏观拓扑结构形成的一些显著特征。我们的模型产生了许多经验观察到的大规模社交网络的特征。因此,我们相信,将数据分析与建模和仿真相结合的网络理论方法可以为研究甚至预测各种集体社会现象(如信息传播、社会结构的形成以及其中的进化过程)开辟一个新的视角。

英文摘要:

Over the past decade network theory has turned out to be a powerful methodology to investigate complex systems of various sorts. Through data analysis, modeling, and simulation quite an unparalleled insight into their structure, function, and response can be obtained. In human societies individuals are linked through social interactions, which today are increasingly mediated electronically by modern Information Communication Technology thus leaving "footprints" of human behaviour as digital records. For these datasets the network theory approach is a natural one as we have demonstrated by analysing the dataset of multi-million user mobile phone communication-logs. This social network turned out to be modular in structure showing communities where individuals are connected with stronger ties and between communities with weaker ties. Also the network topology and the weighted links for pairs of individuals turned out to be related.These empirical findings inspired us to take the next step in network theory, by developing a simple network model based on basic network sociology mechanisms to get friends in order to catch some salient features of mesoscopic community and macroscopic topology formation. Our model turned out to produce many empirically observed features of large-scale social networks. Thus we believe that the network theory approach combining data analysis with modeling and simulation could open a new perspective for studying and even predicting various collective social phenomena such as information spreading, formation of societal structures, and evolutionary processes in them.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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