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For the phenomena that classic principal-agent model can not reflect win-win cooperation and is less concerned about agent's opportunistic decision behavior, this paper introduces principal's value preference parameter reflecting win-win cooperation to incentive model and considers agent's opportunism, establishes Service Supply Chain (SSC) dynamic incentive model, and analyzes model equilibriums...
For the vast territory and the huge differences amongst cities in China, there is an urgent need to carry out research on the division of regional eco-types of cities, so that eco-city construction can be conducted to suit the local conditions. However, almost all the previous classification research is qualitative, such as experience summary and construction mode induction. In this paper, an ecological...
This paper presents an improved matrix barcode to verify authenticity of products. In this scheme, the server use Java to generate reliable and secure keypairs, use public key to encrypt product information, then use the cipher text to generated Qrcode barcode, customers use handset to decode Qrcode barcode, get cipher text and transfer to manufacturer, and then verified through GPRS networks. The...
With the development of internet Web2.0 technology, the traditional relational database is widely used in information management system. However, it is not effective, when we need to query a wide range of massive data, especially with multi-table join queries. Now, a kind of new technology emerged — NoSQL, which is non-relational database management system with format loose data storage, not support...
The typical urban wetland-Xixi wetland was selected as the object of study. The regulation of urban wetland on urban temperature was analyzed quantitatively and qualitatively using Landsat TM remote sensing image of Hangzhou in July 8 th, 2000, July 26 th, 2004 and Aug 12th 2010. The result shows that urban wetland has good regulation on urban temperature, and the closer to urban wetland the regulation...
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