Analysis Of City Development Of Subject Knowledge Map Based On Distribution And Evolution Trend

Urbanization is the focus of the world attention in economic and social development, the emergence of a large number of literature and the research data in this field. Because of the national conditions and different stages of social development, in the process of city development, the development of domestic and foreign city theme of theoretical innovation and show the core themes and words in the literature shows different characteristics, has the rich research value. The knowledge mapping analysis as an important method of literature, as a graphic that the development process of scientific knowledge and structure, can be in the urbanization process analysis of the development of literature in the timing of the target literature database and citation of statistical data, the formation of visual patterns, and summarized the related field at home the research focus and the core vocabulary, which reveals the development trend of research in the field of literature, make a prediction of the future urbanization development prospects. Have broad prospects for the development of scientific knowledge map in the city development, the statistical literature in the field of social sciences knowledge visualization, knowledge unit of measure and decision making and the stage of development at home and abroad comparative analysis.Through the visualization analysis and literature knowledge map database on the city development research of 1994-2014 at home and abroad in the process of city development, visual display of abroad subject distribution and development in the city field and its evolution trend, Based on the analysis of the research subject from the knowledge map, based on the research subject, and based on the word frequency analysis at home and abroad urbanization theme direction of development and changes, and further analysis of the distribution. Summary of key subjects and key focus on development of inside and outside the city to the city, mining hot research themes, trends and characteristics of subject development and the weak link, through the contrast analysis and the clustering of dispersion and time series to explore the similarities and differences of description, both at home and abroad field of city development, combined with Chinese and western the developed countries of the city development situation, analysis of "think tank", the stage of development of a city as well as the domestic and foreign academic environment of development in the field of literature and the effects of frequency on the distribution of city development, straighten out the domestic and foreign City, offers a wide range of reference to literature research field of city development of China.