A Consensus Support System for Group Decision Making Problems with Heterogeneous Information
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...More recent approaches proposed different structures to represent preferences [2, 9, 13] and to aggregate them [2, 4, 5, 7, 10]....
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...Each agent ranks the given options and provides their preference relations by attributing to each pair of alternatives either a fuzzy value, fuzzy interval or linguistic term [9]....
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"A Consensus Support System for Grou..." refers background in this paper
...The fuzzy linguistic approach represents the information as linguistic values by means of linguistic variables (Zadeh 1975)....
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"A Consensus Support System for Grou..." refers background in this paper
...The first ones can be assessed by means of precise values like crisp values (Kacprzyk 1986; Yager 1988)....
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"A Consensus Support System for Grou..." refers background in this paper
...In other cases, according to (Zadeh 1996) there is a tolerance for imprecision which can be exploited to achieve tractability, robustness, low solution cost, and better rapport with reality (e.g., when evaluating the speed of a car, linguistic terms like “fast”, “very fast”, “slow” are used instead…...
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