The certaintymodel of the risk of tender for engineering construction, bid cost comparison and tender probability on uncertainty measure is established.
In the process of updating topic model, a method combining certainty and uncertainty is used to select samples.
在更新话题模型的过程中，尝试确定性和不确定性相结合的方式作为样本选择标准。
3
In order to minimize the expected loss of overstock and shortage, first of all the optimal supply is determined, and then a mixed integer linear programming model under certainty is built.