剧情简介：A variety of different social, natural and technological systems can be described by the same mathematical framework. This holds from the Internet to food webs and to boards of company directors. In all these situations a graph of the elements of the system and their interconnections displays a universal feature. There are only few elements with many connections, and many eleme...(展开全部)
作者：Guido Caldarelli
出版社：Oxford University Press, USA (May 25, 2007)
ISBN：9780199211517
