[PDF] Top 20 An Innovative Approach for Attribute Reduction in Rough Set Theory

... the Rough Set Attribute Reduction method (RSAR), exposed in Section ...complete set of attributes, then it is a poss- ible solution, ... See full document

... Attribute reduction is an import concept of rough set ...According rough set theory, attribute reduction algorithms eliminate redundant condition ... See full document

... The attribute reduction is known as the procedure for decreasing the number of features in an information system and its action is a vital phase of data mining ...the attribute reduction ... See full document

... Rough set theory (RST) was proposed in 1982 by Pawlak ...conventional set theory that supports approximations in decision making ...attributes reduction, which can preserve the ... See full document

... nonlinear theory let the research of dynamic positioning control from linear system to nonlinear ...control theory of the dynamic positioning system become the research ... See full document

... strength reduction finite element method, there are a variety of computational judgments of ...to approach the applicability and discrepancy of different instability ...strength reduction factor in ... See full document

... contrast, rough set can hold complete analy- sis, since it considers missing value as “everything is possible” [8, ...9]. Rough set is proposed by Pawlak [10] as a mathematical theory ... See full document

... In this paper, we intend to deal with the power consumption issue of the OCMS with an efficient hardware approach and see how it is different from others design [1-2].. In doing so, we p[r] ... See full document

... on rough set theory, including the attribute oriented concept lattice [2], lattice for cov- ering rough approximation[14], rough set approach on lattice [12] and ... See full document

... mathematical theory was presented to carry through optimum allocation of power network system in this ...factor set of reliability level and the weight of factors, and further defining synthesis ... See full document

... The remains of the paper is organized as follows: To reduce the time of calculating location for indoor positioning with fingerprinting methodology, we need generate training database quickly and exactly. In section 2 ... See full document

... With the development of the power electronics, micro-electronics technology, new motor theory and the permanent magnet materials, PMSM has been promoted rapidly and application areas has been extended in recent ... See full document

... Value investing strategy is a main approach that has been widely examined in the academic field for identifying stocks with good prospects. However, to implement this strategy in practice, it is unavoidable to ... See full document

... concepts, theory, principle, basic design technology, design method and design ...normalization theory, database protection, SQL, ER model, model transformation from ER model to relational model, normalized ... See full document

... Rough set can deal with missing values ...of rough set is very popular to fill missing values [1]-[2]. Rough sets core and reduct concepts used to impute missing value using most ... See full document

... The pre-computation of data cubes is critical for improving the response time of OLAP(online analytical processing) systems and accelerating data mining tasks in large data warehouses. However, as the sizes of data ... See full document

... system are equal, the machine will keep constant stable operation. Otherwise, if the driving power and impedance power are not equal at an instant, the surplus power or loss power will be produced, and it makes the ... See full document

... This work was supported by Special Funds for Postdoctoral Innovative Projects of Shandong Province (No. 201103033), Independent Innovation Foundation of Shandong University (IIFSDU No. 2011GN045), and Key ... See full document

... Usually two techniques are used to search and retrieve images. First one is text information based on manual completion. This is called concept-based or text-based image indexing. Humans describe and evaluate images ... See full document

... The core principles of creating value of supply chain is reducing the cost of enterprise internal existed on supply chain by the cooperation between the enterprises and functional depart[r] ... See full document