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This paper is based on data analysis and literatures, land use system, demographic factors, and economic development situation, fiscal and financial policies which have influence on the price of the house are studied. In order to discuss housing price purely on the basis of statistical data, the main factors and their weights are calculated based on the survey of house price and usage of grey theory...
As present, the relational database, which stores and processes a large number of crisp data, is in the dominant position, but in which some fuzzy requirements described in natural language are not supported well. The fuzzy database, which stores fuzzy data with a complex transition from crisp data, has not yet grown up. Try to do fuzzy queries, fuzzy semantic summary and test user's fuzzy rules here,...
For many spatial processes, there is a natural need to find out the point of origin on the basis of the available scatter of observations; think for instance of finding out the home-base of a criminal given the actual distribution of crime scenes, or the outbreak source of an epidemics. We introduce a new methodology based on the notion of Topological Weighted Centroid (TWC) that allows one to draw...
On base of analyzing the situation of recycling economy of coal enterprises and establishing the principle of indication system, an evaluation-index system was established, which included four levels structure (economy development, resource utilization, social development and recycling system) and twenty-two indications. According to comparing all kinds of methods of recycling economy, and considering...
To meet the requirements for being geared to the international standards and to meet the demand for self-development of an enterprise, it becomes more and more common for an enterprise to execute EPC projects. The EPC model compares with the traditional contract model, the risk of general contactor is the biggest undoubtedly. Through the analysis of the EPC model to determine the risk source and loss...
Agility is the inevitable trend of supply chain and management. Agile supply chain forces the enterprise to adapt to the unpredictable market demand, takes the fast restructuring of dynamic alliance as the basic point, promotes the cooperation and the production mode between enterprises, and enhances enterprise's integrated management and economic efficiency. As a key component of the supply chain...
It is difficult for enterprises to make scientific decisions in tax planning for location of foreign direct investment, due to the great difference of tax legislation in different countries. This paper focuses on the difference of value-added tax rate, income tax rate and dual tax exemption of different countries, and brings forward the fuzzy preferential relation arrangement method which can be utilized...
Circular economy, as an advanced development mode for harmonizing the Problems among resource, environment and economy, is destined to be the choice for coal concerned enterprises to explore new industrial way and keep on developing. The paper eliminated the redundant data in index membership for object classification by defining distinguishable weight and extracted valid values to compute object...
In this paper, the index weight is definite based on entropy weight method and subjective assignment method, combining the fuzzy comprehensive evaluation, the financial position of the company is evaluated for the operators, investors and provides basis for decision-making such stakeholders.
With the continued development and growth of enterprises, the management should know what stage of their life cycle is locating at existing currently the enterprise to do a better job of managing. It is necessary to make sure the cognizance of what stage of enterprise life cycle. In the paper, it is integrated the analysis between quaintly and quality to take advantage of AHM and fuzzy comprehensive...
With international practice and needs of business own development, it' s has become more and more common to carry out EPC project general contract in enterprises' contract. The EPC model covers basically the entire project construction process and comparing with the traditional contract model, the risk of general contactor is the biggest undoubtedly. To the ambiguity and uncertainty of risk assessment...
Real options are a typical framework in economics that involves uncertainty. The definition of the value function of real options can take advantage of a model of uncertainty that includes stochastic processes and fuzzy numbers; to perform the complete analysis with American type real options, we need to compute the fuzzy extension of the value function for A special version of the multiple population...
The reverse logistics is necessary for retailing to reinforce competitive advantage, increase customer value and improve its whole performance of supply chain. The retailing reverse logistic is either a premise of effective decision or important method for enterprise to decrease operating risk and improve service. In the paper, first, the theoretical triangular fuzzy number is put forward. And the...
Hamming distance, fuzzy nearness degree and grey relation analysis (GRA) are used to solve fuzzy multiply attribute decision making. This paper proposes a new method named improved similar approach degree method for combining those three kinds of methods to decision making. Finally, the hybrid decision method is illustrated by a numerical example, which shows this method is effective and easy to calculate.
According to the relationship of coordinated interaction between unit output and electricity price, an economic/risk/environmental generation optimal model for maximizing total profits in the dealing day and minimizing both risk and emissions was formulated in this paper. A new multi-objective differential evolution optimization algorithm, which integrated Pareto non-dominant sorting and differential...
We present a new aggregation operator that uses the probability and the weighted average in the same formulation. Moreover, we consider a situation where the information is uncertain and can be represented with fuzzy numbers. We call this new aggregation operator the fuzzy probabilistic weighted average (FPWA) operator. We study some of its main properties. We also study its applicability and we focus...
Medium logic is non-classical logic system for both distinct knowledge and fuzzy knowledge. Based on medium logic and distance measure, fuzzy evaluation matrix is established with medium truth grade function, and the index of fuzzy evaluation is educed by considering positive information and negative information of the fuzzy evaluation factors. The evaluation objects are compared with each other by...
Over the years, the unreasonable pricing of water resources has led to serious distortions of the market price of water. This paper introduces the fuzzy comprehensive evaluation method to evaluate water resources, using AHP to determine the value of the 22 factors which influence the price of water resources such as consumption of water per capita, degree of water shortage, water quality, the environmental...
As one of the top three main equipment groups in power plant, steam turbine system has an essential effect on the reliability and economy of energy production. And the steam turbine proper is the priority among priorities. Failure mode and effects analysis (FMEA) is the technique to help effectively perform hazard prevention and power systems maintenance. In traditional analysis methods, includes...
Enterprises cluster is posing great competence as well as facing much risk. By subdividing the type of cluster, networked small and medium-sized enterprises cluster is chosen as target; by analyzing the primary sources of risk, an index system for evaluating the risk is built up; and on the basis of gray-fuzzy theory, the synthetic risk evaluating model is given in this paper. An actual application...
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