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- W2393103694 abstract "The attribute reduction of decision tables is one of the key issues in rough set theory.Effective and efficient heuristic reduction algorithms are deserved to be further studied.Herein,a concept of weighted importance is defined based on binary discernibility matrix to heuristically measure the significances of attributes of a decision table.The concept comprehensively makes good use of the characteristics of columns and rows of binary discernibility matrix and integrates them into a normalized concept;consequently,independent sorting computation in respective directions of column and row is effectively avoided.Then a new heuristic algorithm for attribute reduction is proposed based on concept of weighted importance.Simulation experiment results show that compared with some benchmark algorithms,the new algorithm runs faster and is more possible to get optimal reductions of decision tables." @default.
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- W2393103694 date "2012-01-01" @default.
- W2393103694 modified "2023-09-27" @default.
- W2393103694 title "New algorithm for attribute reduction based on binary discernibility matrix" @default.
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