低碳類門戶網(wǎng)站信息生態(tài)系統(tǒng)的構(gòu)建模式及評(píng)價(jià)研究
[Abstract]:In recent years, we are advocating low-carbon economy and constructing ecological civilization. More and more countries are aware of the importance of low-carbon economy and low-carbon life. The British government aims to reduce carbon dioxide, the main greenhouse gas, by 20 percent in 2010 and by 60 percent in 2050. The Canadian government is strongly supporting research on biofuels, wind energy and other alternative sources of energy, and plans to allocate $230 million to implement bioenergy technology programs. The United States Senate has proposed laws such as Clean Air Act, Energy Policy Act and low carbon economy Act. According to the commitment of Kyoto Protocol, China reduces greenhouse gases by 12.5%, 4.5 percentage points higher than the average target of 8% reduction. Under the background of the global development of low-carbon economy, more and more low-carbon portals with the aim of promoting the development of low-carbon economy, building resource-saving, environment-friendly society and advocating and practicing low-carbon life are developing rapidly. Although low-carbon portals are emerging rapidly, there are relatively few researches on low-carbon portals. Especially from the perspective of information ecosystem analysis of low-carbon portal literature is rare. Therefore, the study of the evaluation index system of low carbon portal information ecosystem is of great practical significance to the development of low carbon portal in China, focusing on the relevant theories from the perspective of information ecosystem, and constructing the evaluation index system of low carbon portal information ecosystem. This paper combines the related concepts of information ecosystem and the development of domestic and international portals, and puts forward the composing factors of low carbon portal information ecosystem, that is, low carbon portal information ecological factors, information ecological chain. And the information ecosystem. Then the paper puts forward the construction mode of information ecosystem of low-carbon portal, that is, the service mode, interactive mode and participation mode of information ecosystem of low-carbon portal. This paper analyzes the relationship between the information ecological factors of low carbon portal and the information ecosystem of low carbon portal, the information ecological chain and the interactive model, and the relationship between the information ecological circle and the participation mode. Thus, the evaluation index system of information ecosystem service model, the evaluation index system of interactive model and the evaluation index system of participation model are constructed. In this paper, the index weight of low carbon portal information ecosystem index system is obtained by AHP, and then the service of 12 domestic and foreign low carbon portal information ecosystem construction is analyzed by case analysis. Interactive, participatory comparative analysis. The index weight obtained from AHP is combined with 50 items selected in the questionnaire, and the score of each item is obtained. By comparing and analyzing the scores of 50 projects of 12 low-carbon portals, this paper reveals the similarities and differences between Chinese and foreign low-carbon portals in the service degree of information ecology, the degree of interaction of information ecology, and the degree of participation in information ecology. The research in this paper enriches the theory system of low-carbon portal, expands the application field of information ecosystem theory, and establishes a set of system, effective and objective evaluation system. It is beneficial to enrich and perfect the theory of performance evaluation of low-carbon portals in China, so as to put forward constructive suggestions for the development of information ecosystem of low-carbon portals in China.
【學(xué)位授予單位】:吉林大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TP393.092
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