| The network society is a new social form that differs from the traditional society. The enterprise communities play an important part in the network society and promote the advancement of the society.This paper puts forward the concept and structure of the network society eco-system based on the analysis of the ecological characters of the network society. It mainly studies the evolution of the enterprise communities and it models the evolution of the food chain in the community, including the model of individual quantity in the food chain, and the model of relationships in the food chain. This paper studies the balanced evolution tendency of the relationships in the food chain according to the game theory. Then it takes TaoBao, a C2C e-commerce community as an example and uses the Matlab, it proves that these models accord with the practice. And it forecasts the balance point of the evolutionary game further.The main study contributions of this paper are as follows. (1) It puts forward the concept of the network society eco-system. The research is based on many subjects, such as ecology, sociology, economics, mathematics, system science and computer. (2) The evolution mechanism of the food chain is discussed for the first time based on the theory of lifecycle on the enterprise community. It puts forward the mechanism of the evolutionary food chain in the different periods of the lifecycle, using the method of research on the industry-chain and supply chain for reference.(3) The model about the evolution of the food chain is put forward for the first time. It gets the model that describes the quantity of the individual in the food chain by portraying the relationships between the growth rate and the size of the chain, and it describes the relationships in the food chain by analyzing the interaction among the enterprises in the chain. (4) It takes an e-commerce website as an example and proves the model. |
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