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Public safety has been discussed for many years, but how to use and understand crime data is still difficult. Limitations of previous research were mainly restricted by technology. The significant technological advance since last century provided a tool for researchers to compute large amount of data and complicate models while shrinking process time too. This research tried to combine results from...
In previous studies, the correlation between the vegetation index and meteorological factors were investigated with in intervals defined by the day-of-year. Compared with the day-of-year, the accumulated growing degree days (AGDD) more effectively reflect vegetation growing stage, which serves as important references in agricultural management and disaster prediction. From this end, it is also worth...
This paper proposes two methods for solving the expert finding problem. In order to enhance the correctness, a C-value method is applied to these methods for query expansion. After query expansion, proposed system calculates correlation between all query terms and experts, and finally outputs a list of experts. The experiment results show that the proposed methods can provide higher precision than...
This paper gives a detailed report on the correlation analysis of computer-assisted oral English test achievements with computer preference on the case study of 131 non-English majors in Wuhan Polytechnic University. Statistical analysis indicates that there is no significant correlation between these two factors, however, those who don't prefer to have tests or study English on computers score much...
By analyzing node equations in gas network, a mathematical model of steady-state calculation in urban pipeline with node method was established. Computer programs using MATLAB have been written. The algorithm can be used for hydraulic adjustment calculation in multi-circle city transmission and distribution pipeline networks, for optimization and for analysis of operating and accident conditions,...
In network economy, it's very important for Chinese tourism web sites to raise their core competence. This paper adopts multiple correspondence to evaluate Chinese tourism websites by utilizing real-time detecting tool. In this research, tourism websites should improve their service levels through constructing their web sites and strengthening their service functions.
Independent board directors have a compelling obligation for listed companies' illegal activities, and their performance has a direct effect on the listed companies' illegal activities. The incentives to independent directors are the main influencing factors in their responsibility fulfillment. From the perspective of independent directors, this paper studies the correlation between the allowance-incentives...
Kernel Independent Component Analysis (KICA) which is advanced recently is a non-linear method for blind source separation (BSS). KICA can't reduce the dimension of multidimensional data when extract its feature, that is to say, KICA can't remove the disturbing noise in observed sample signal. For these reason, paper improved its ability to process the multidimensional data, recurring to the characteristic...
The relationship between the intensity of South Asia High (SAH) and North Atlantic sea surface temperature is further explored. The result shows not only Pacific Ocean and Indian Ocean sea surface temperature (SST) can affect SAH, but the North Atlantic SST can also have impact on SAH. The correlation coefficients between SAH intensity index (SI) and North-Atlantic index (NAI) is beyond 0.7 leading...
There are some weaknesses in the traditional safety evaluation methods, such as, slow reasoning, low accuracy and so on, so thinking of a variety of factors which affect gas safety, a gas safety evaluation index system is built, which focuses on the state of gas, mine ventilation, gas monitoring, safety management and kindling. Combining the fuzzy comprehensive evaluation method with gray correlation...
In the distributed multi-sensor information fusion system composed of 2-D radar and infrared sensor, the problem of the track-to-track correlation is sophisticated because the types of the sensors are different and both of them donpsilat possess the consistent measurement space, this paper presents a heterogeneous sensors track correlation algorithm based on fuzzy number similarity degree. In this...
In the distributed multi-sensor information fusion system composed of 2-D radar and infrared sensor, the problem of the track correlation is sophisticated because the types of the sensors are different and both of them don't possess the consistent measurement space, this paper presents a radar-infrared sensor track correlation algorithm based on fuzzy number similarity degree. In this algorithm, each...
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