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Taking a 1000MW ultra-supercritical once-through boiler as an example for research, two kinds of soft measurement methods of once-through boiler water-coal ratio is studied: With Auto Regressive Integrated Moving Average (ARIMA) time series method, water-coal ratio data after filtering is processed with parameter estimation and dynamic prediction, then the error analysis verified the model can accurately...
By the analysis of problems of mood spread diffusion, combining the theory of Agent, Agent-Based mood diffusion model was established, using CUDA programming tool, which is suitable for parallel computing of the part to carry on the design implementation, thus proving the GPU computing can improve the efficiency of the model calculation.
This paper, used the data of HS300 index and HS300 stock index futures, studies the linkages and interaction between the stock market and stock futures market in China, which is based on the VAR model, Vector error correction model, Johansen cointegration analysis, The Granger long and short causal relationship test and The Hasbrouck variance decomposition method. It is concluded that stock market...
Employee job satisfaction has directly affected on customer satisfaction and customer loyalty. The study examines the factors that has impacted on the job satisfaction, and examines the relationship between demographic characteristics of hotel employees and job satisfaction. The study findings show that there are four factors of job satisfaction; there is no significant difference between demographic...
In order to advance the development of tourism e-commerce in China, this paper selected two tourism e-commerce companies from China and United States, the Ctrip and Expedia, to compare from the pattern of the earnings, core strengths and macro setting. The results show that there are some drawbacks in Ctrip and its core competencies need to be reconstructed. The paper also gives some suggestions for...
This paper presents a new relevance feedback (RF) method for image retrieval in content-based image retrieval (CBIR). The main conception of the method gives two aspects: First logistic regression adjusts the weight of each element in features extracted from the images in database with the preferences of the user. Then following a Bayesian methodology, which yields the posteriori of the images in...
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