1994 Volume 114 Issue 4 Pages 426-429
When we consider the assignment problem, the value of efficiency eij from the assignment of person i to job j must be determined by a decision maker. However, when he/she wants to evaluate the efficiency suitably, it may be difficult to give a rigid number. That is, the description of the problem seems to need manifold examinations, e.g., a vocational aptitude test (usually at great cost). Since the efficiency (or personal ability) naturally has a qualitative property, we accordingly consider two assignment problems with satisfaction degrees which are based on fuzzy set theory.
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The Journal of the Institute of Electrical Engineers of Japan