When this attribute is not specified, the optimizer makes a cost-based decision to select an access plan for the given table.
如果未指定该属性，优化器将生成一个基于成本的决策，为给定的表选择一种访问计划。
Figure 4: the main classes of the decision-table-based testing library.
图4：基于决策表测试库的主类。
The System may adjust the control schemes by real time traffic data, which are off-line provided by the fuzzy traffic Decision table based on Rough Sets.
文章前面部分仿真分析通过的各种交通流情况下的基于粗集理论的模糊控制方案表在系统中离线给出，以根据实时的交通流数据查表调用。
Based on the profound research of rough set theory, the decision table is default filled by using tolerance relation, which proves efficient.
文章在对粗糙集理论研究的基础上，运用容差关系对含有决策的数据表进行了遗漏补缺，实例表明此方法是行之有效的。
Then based on the reliability block diagrams and decision table, we construct the fault tree for multistate system.
然后在可靠性框图分析的基础上，依据判定表，自动生成故障树。
In this paper, a rough set decision table analysis method based on fuzzy cluster is presented.
该文给出了一种基于模糊聚类的粗糙集决策表分析方法。
After that we study on the ordered decision table and propose a new heuristic attribute reduction algorithm based on dominance matrix, whose time complexity is polynomial.
再次，对有序决策表进行了研究，提出了一种基于优势矩阵的启发式属性约简算法。
This paper proposes the concept of the decision table of the attributes reduction, and gives the method of the reducing attributes based on discernibly vector.
文章提出了决策表的区分向量的概念，并给出了利用区分向量进行属性约简的方法。
With regard to the attribute values in decision table, which are described with hybrid data, a new algorithm of attribute reduction based on rough set theory is proposed.
针对决策表中属性取值为杂合数据的情况，提出了基于粗糙集理论的属性约简算法。
A new approach rough set-based for ordering rules acquisition in interval valued decision table is presented.
提出一种基于粗糙集的区间值属性决策表的有序规则获取方法。
Based on the rough set theory, a new systematic method is proposed to reduce the decision table and induce the decision-making rules.
基于粗糙集方法提出了一种系统的决策表约简和决策规则提取方法。
Firstly, a logical diagnostic table of IEC-60599 is presented, and a decision table can be constructed by applying the Rough Set Theory based on the IEC-60599 three-ratio fault diagnosis table.
文中从实际诊断中出发首次将IEC- 60599三比值故障诊断表编写成对应的逻辑编码表，然后应用粗糙集理论构造决策表并对决策表进行约简，最后建立改进的新导则IEC - 60599三比值故障诊断决策规则。
Based on that theory, this paper deals with the attribute reduction for the fault diagnosis decision-making table of the vibration equipment.
本文根据粗糙集理论，对设备的振动故障诊断决策表进行属性约简，以提取故障识别的重要属性，降低决策表的冗余性。
Based on theory of grey system and rough sets, a new discretization algorithm of continuous attributes in decision table is offered.
基于灰色系统和粗糙集的有关理论，提出了一种新的基于属性重要性的离散化算法。
Based on theory of grey system and rough sets, a new discretization algorithm of continuous attributes in decision table is offered.
基于灰色系统和粗糙集的有关理论，提出了一种新的基于属性重要性的离散化算法。
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