Ying-ying Liu

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Aiming at the interval rough numbers of multiple attribute decision making (MADM) problems, a method of ranking interval rough numbers based on possibility degree is proposed. First, the deviation degree for interval rough numbers is given, and then an optimal model with maximum deviation to solve the attribute weights is set up. Second, a possibility(More)
Drugs tender procurement is a complementary policy of Chinese Health Care Reform, which has been promulgated and implemented since 2000 in China, and has achieved good results. Bidding-evaluation and Bidding-decision are often accepted as the key points in the bidding process. A successful bidding is directly caused by a scientific bidding-evaluation(More)
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