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Based on the area between the curve of the membership function and the horizontal real axis, concepts of left and right wingspans are introduced. By them, a new index, called the w-center for fuzzy numbers is proposed. It is continuous with respect to the convergence of fuzzy number sequence. An intuitive and reasonable ranking method for fuzzy numbers based on their w-center is also established....
Based on situational leadership, this paper aims to explore how department chairpersons of universities adapt and develop their communication strategies in view of their differential disciplinary cultures and the cultural backgrounds of their target audiences. It is argued that in their communication network, effective communication strategy varies not only with the task, job or function that needs...
More and more netizens prefer to comment on social hot issues today and their views become very useful for government decision-making. Specially, news and related comments often influence decision behavior of officers. However, it becomes a key problem to analyze them automatically in order to provide references for decision-making. One of effective way is to cluster news comments. In this paper,...
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