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This paper investigates the traffic flow time series observed on the Beijing second ring road over a period of about 27 days, from 0:00 a.m. on 12/6/2006 to 16:00 p.m. on 1/1/2007. With the aid of the multifractal detrended fluctuation analysis (MF-DFA) method, the multifractality of the traffic flow series is shown in this paper. Furthermore, the multifractal spectrum is employed in studying the...
A Divide-and-Conquer System based Radial Basis Function networks (DCRBF) is presented in this paper. This DCRBF is composed of sub-RBF networks which take low-dimensional inputs respectively. The output of DCRBF is the sum of sub-RBF networks'. The competitive algorithm is given to learn all parameters in DCRBF. The experimental results show that the DCRBF outperforms the conventional Extended Radial...
Gaussian mixture model (GMM) has been widely used in fields of image processing and investment data mining. However, in many practical applications, the number of the components is not known. This paper proposes a kind of greedy merge EM (GMEM) learning algorithm such that the number of Gaussians can be determined automatically with the minimum message length (MML) criterion. Moreover, the greedy...
Informationization must enhance risk awareness, and decision of modern management need the data that is the reference and support. A lot of factors which influence the informationization risk are fuzzy and variable, therefore, it is difficult to make the quantitative analysis. So, it has a certain research value and Practical significance that study and applcate the way to evaluation risk of informationization...
In view of the complexity, ambiguity and multi-factor of teaching evaluation, it is an important topic that classification is applied to the domain. In the field of classification, incomplete data is one of thorny issues. There have been many methods to deal with the problem in many studies. In the paper, the MVCM is introduced particularly. It fills these observations with incomplete data by constructing...
This paper considers the optimal traffic signal setting for an urban arterial road. The traffic lights are configured to minimize the average waiting time of vehicles through the way. By introducing the concept of non-synchronism degree, a mathematical model is constructed and an optimization problem is posed. Finally, the setting plan is obtained through the solution of the model as given the inputting...
Extenics is a theory to solve the contradiction problem, it will be a new way to look for and find knowledge through analysis the contradiction and transformation the result of the data mining using the extension methods. In this paper, introduced the matter-element and extension set that is the base of the extenics, researched the way to find out and generate the new knowledge that help by the divergence,...
By analyzing the evaluation method and working characteristics of the design courses in universities, a fuzzy comprehensive evaluation method is advanced, which based on fuzzy clustering analysis. According to the fuzzy membership degree theory, the author translated the qualitative evaluation into quantitative evaluation. Through this, the problem that the qualitative and quantitative evaluation...
This paper addresses the Hankel norrn of uncertain neutral systems with mixed time delays£®Besed on the Lyapunov-Krasovskii functional and the LMI approach, delay-dependent sufficient conditions are presented such that the uncertain neutral systems is robustly asymptotically stable and the Hankel norm is less than a prescribed performance level.
The Elitism, which is the mechanism to incorporate external useful solutions in MOEA, is popular technology. One of the focus of research about elitism is how to maintain and select the global guide in order to keep the results of algorithm convergence and diversity. In this paper, a novel method to maintain elitism archive and select global guide is proposed, which divide the non-dominated solutions...
The information systems have a lot of characteristics, which is a difficult task to do evaluation of management information systems. According to the function requirements of management information systems (MIS), and in combination with the characteristics of MIS, the evaluation index system for MIS was established. This paper combines of fuzzy analytic hierarchy process and multiple matter elements...
In recent years, there has been a growing need for analyst to explore inside the binary executables for the reasons of decompilation, security analysis, reverse engineering, etc. It is very helpful to recovery the high-level control structure information, such as loops and conditionals, from arbitrary control-flow of low-level code. This paper presents a novel approach to structure control-flow graphs...
We propose a new skew detection algorithm, which is based on the lowest pixels of a set of characters. The skew angle is evaluated by applying moment calculation, and the method to get characters in one text-line is described in detail. Document images of various languages, including English and Chinese, can be validly treated by this algorithm. Both the document images with large skew angle and the...
Resource mining has lead to a lot of land lacking of productivity and regional ecological environment deteriorating. Land reclamation is one type of path to restore the ecological condition and keep the regional sustainable development. The suitability evaluation for land reclamation can provide a base for determining the reasonable land use mode. The traditional method cannot meet the demand of land...
In this paper, we study a no-centralize newsvendor model with re-distributed decision-making power. It is different from classical model that sale process is distinguished normal sale and promotion stages. Vendor own to the right of promotion policy selected to management promotion action for increasing their return when real demand is lacking. We get two mathematical expressions of traditional optimization...
The well known fuzzy measures, ??-measure and P-measure, both of them have only one formulaic solution. A multivalent fuzzy measure with infinitely many solutions was proposed by our previous work, called L-measure, but it is not a completed measure. After that, an improved completed measure with more many solutions than L-measure, called complete L-measure, was also proposed by the author. In this...
Isotonic regression is usually used to analyze the problem for normal means, assuming that all variances are known or unknown. This paper then studies another problem for normal variances, assuming that all means are known, in which the variances are restricted by a given simple order.
Value based management (VBM) aims to promote value of an enterprise, and value engineering (VE) aims to promote value by least cost. Combining these two ideas, this paper proposes a value-event path model based value engineering analysis methodology. In a management process, value of an enterprise is changed dynamically and the change of the value corresponds to an event which happens to the enterprise...
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