Data mining in incomplete information system is a hard problem but inevitable in uncertain decision.
不完备信息下的数据挖掘是一个难题，但它在实际决策中是不可避免的。
In this paper, the incomplete information system in which attributes values were considered as interval grey number.
提出一种属性值为区间灰数的不完备信息系统。
In this paper, the equivalence of two definitions of attributes reduction in incomplete information system is proved.
本文针对不完备信息系统属性约简的两种定义，证明了两者的等价性。
This paper brought forward a data packing method of incomplete information system based on rough sets and grey system theory.
提出了一种基于粗糙集的不完备信息系统数据填补方法。
This paper investigates the theory and application of incomplete information system by using the medium logic predicate calculus system MFM.
本文借助中介逻辑谓词演算系统MFM，对不完全信息系统的理论和应用进行了研究。
The upper approximation and the lower approximation operators are defined in incomplete information system. Furthermore, some related properties are discussed.
定义了一种不完备信息系统的上、下近似算子，得到了一些相关的性质。
In this paper, the concept of non-symmetric similarity relation had been used to formulate a new definition of approximation to an incomplete information system.
定义了非对称相似关系的近似集概念，提出了一种利用非对称相似关系下近似集和属性值对的基于粗糙集的确定规则推理算法。
This paper proposed an improved algorithms in incomplete information system data in the context of dynamic changes of attribute reduction for the existing algorithms.
本文重点研究了在不完备信息系统中数据动态变化情况下的属性约简问题，针对已有算法提出了改进的算法。
This thesis deals mainly with the knowledge acquisition methods as rough-sets, D-S evidence theory in incomplete information system, and obtains some significative result.
本文主要研究不完备信息系统下的知识获取方法，并取得了一些有意义的结果。
In incomplete information system, objects of the tolerance class and maximal consistent block in the attribute reduction algorithm based on discernibility matrix are uncertain.
在不完备信息系统基于差别矩阵的属性约简算法中，相容类和最大相容类中的对象具有不确定性。
On this bases, similar matrix and similar interval are proposed in combination with rough set theory. They are useful in knowledge partition problem in incomplete information system.
在此基础上结合粗糙集理论提出了相似矩阵、相似区间的概念，并将其应用于不完备信息系统知识分类的问题中。
The technology arising at the historic moment is data mining, but the traditional technology of data mining demonstrates a great deal of deficiencies to the incomplete information system.
应运而生的技术是数据挖掘，但是传统的挖掘技术对不完备的信息系统表现出了诸多的不足。
In view of the classical rough sets model can only dispose the complete information system, a variable precision rough sets model is introduced to dispose the incomplete information system.
针对经典粗糙集模型只能处理完备信息系统，将变精度粗糙集模型引入到不完备信息系统中。
Secondly, a knowledge acquisition model for the incomplete information systems for the university personnel system on the basis of the tolerance relation assignment reduction using GA is designed.
其次，设计了一个基于本文提出的基于相容关系的分配约简遗传算法的高校人事不完备信息系统的知识获取模型。
Decision Support System involves in processing to the uncertainty and incomplete information.
决策支持系统涉及到对不确定因素和对不完备信息的处理。
When a relational database system is implemented, three-valued logic is usually adopted to handle incomplete information.
在关系数据库系统的实现中，对不完全信息的处理通常采用三值逻辑。
The system dynamics is used to make the simulation about the differential game under the condition of complete information and incomplete information.
以系统动力学为工具，通过模拟的方法求解完全信息和不完全信息情况下微分博弈的均衡策略。
Based on improvement of fuzzy qualitative simulation algorithm, a new semi-quantitative and real-time fault prediction method of a class of dynamic system with incomplete information is proposed.
在对模糊定性仿真算法改进的基础上，提出了一类信息不完整动态系统的实时半定量故障预报方法。
A static game model with incomplete information based on the first price sealed auction is established, which is used for selling initial permits by auction in the tradable emission permits system.
基于一级密封价格拍卖方式，建立了排污权交易制度中初始排污权分配的不完全信息静态博弈模型。
In order to discover probabilistic decision rules in preferential multiple attribute decision system with incomplete information, an extension of the rough sets model is proposed in the paper.
为了从有偏好信息但信息不完全的多属性决策系统中获取概率决策规则，提出一种新的不完全信息的多属性粗糙决策分析方法。
Based on fuzzy rough set theory, it is liable to change the incomplete system into fuzzy information system and make the covert knowledge stand out in a way of decision regularity.
应用这种方法能够将不完备系统转化为模糊信息系统，然后利用模糊粗糙集理论，让隐藏在不完备信息系统中的知识以决策规则的形式表示出来。
The information of fishing ports evaluation was incomplete, and relation of indexes was ambiguous, so fishing ports evaluation was a Grey System.
渔港评估由于信息不完全，关系不明确，可视为一灰色系统。
Aiming at incomplete information of indicator system, this paper sets up null value dealing model of indicator system based on rough set.
针对指标体系信息不完备的特定问题，建立了基于粗糙集的指标体系空值处理模型。
In a complex supply chain system, because of confidential information between vendors, then there will be between suppliers incomplete information competition game.
在一个复杂的供应链系统中，由于供应商之间信息保密，那么供应商之间将会出现不完全信息竞争博弈。
To evaluate the military information system security effectiveness, which involves many factors, is a complex problem, in which the information about specification is incomplete and vague.
军用信息系统效能评估是一个十分复杂的问题，涉及因素多，而且存在部分因素不完全和不确定的问题。
MP~M is a 3-valued logic propositional calculus system which is based on the medium logic system, and it is used to deal with the incomplete information in the database.
MP~M系统是在中介逻辑系统的基础上建立起来的，用于处理数据库中不完全信息的三值逻辑命题演算系统。
Structural system identification with incomplete input information is studied in this paper.
本文研究输入信息不完备条件下结构的参数识别问题。
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