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Description of Distance Decay Patterns of Tourism Websites Information Flow and Calculation of Its Concentration

YANG Xiao-yan,ZHANG Qiu-luan,LU Zi,ZHANG Xin,WANG Si-si(Faculty of Tourism,College of Resource and Environment Sciences,Hebei Normal University,Shijiazhuang 050016,China)  
In this paper,24 different tourism websites was selected by counting its visitors in every province.Based on these data,the distance decay patterns were described by Origin software.Then,three indexes of location quotient,space Lorenz curve and Gini coefficient were used to study the concentration of its peak decay,and the concentration character of information flow distance decay in tourism websites was summarized.All of these give a support to tourist destination defining and tourism websites building and marketing.The study showed that: 1) Distance decay of tourism websites information flow satisfies the peak decay mainly which includes the single-peak pattern of exponential decay and multi-peak form of Gaussian decay.This can confirm geographic distance is also one of the limiting factors of virtual tourism behavior.2) Provinces of that the location quotient greater than 1 are the site locations or economically developed areas,this phenomenon reflects the local focus and economic concentration of information flow in distance decay.Space Lorenz curve of most tourism websites are significantly concave and the Gini coefficients are more than 0.5.It is indicate that distance decay concentration of information flow is high,and reflect necessity of considering the visitors needs in local and economically developed area when guiding the quantity and direction of real tourist flow.3) Lorenz curves of various tourism websites are different in curvature and Gini coefficients are different in sizes.It is indicate that differences are in their concentration of distance decay and there is no obvious relevance between the use intensity of tourism websites information and its concentration of distance decay.
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