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Agricultural electronic commerce, as an advanced producing force, whose potential advantages are immeasurable. As a main form of modern agriculture, the speed of its development and the degree of its ripeness are important to increase circulate efficiency and international competitiveness of Chinese agricultural products. Firstly, this article compared typical models of agriculture product's online...
Real-life data are frequently imperfect: data may be affected by uncertainty, vagueness, and incompleteness. In this paper, based on dominance relation, the concepts of knowledge granulation and rough entropy of imcomplete information system (include missing data and imprecise data) are defined, their important properties are given, and the relationship between those concepts is established. These...
Educational informationization is the basis of the educational modernization. Modern information technologies (IT) such as computer multi-media technology, network technology, information conversion, storage and other technologies have been introduced to the field of education in part, and to achieve a rational allocation, development and utilization of education information resources. The paper researches...
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