Using the fuzzy clustering theory in the incomplete information system.
2)运用模糊聚类理论处理不完备信息系统。
参考来源 - 不完备信息系统中的知识获取方法研究Rough set theory, wih its essence as a mathematic tool describing imperfection and uncertainty, can effectively analyze and deal with those imprecise, incosistent, incomplete or other imperfect information so as to find out the implied kowledges and rules.
粗糙集(Rough Set，RS)理论是一种刻划不完整性和不确定性的数学工具，能有效地分析和处理不精确、不一致、不完整等各种不完备信息，并从中发现隐含的知识，揭示潜在的规律。
参考来源 - 基于粗糙集理论的属性约简算法研究和设计Aimed at the advantage of the rough sets in analysis the un-accurate and un-maturity information systems,the rough sets theory is applied into fuzzy inference system,an uncertain inference method based on the rough sets theory is put forward.
针对粗糙集理论在分析不精确、不完备信息系统等方面具有的优势,把粗糙集理论应用到模糊推理系统中,提出了一种基于粗糙集理论的不确定推理方法。
参考来源 - 基于粗糙集理论的不确定推理方法Actually,the problem of the location for project of real estate is the multi-objective decision-making under the uncertainty factors and incomplete information.
研究认为,房地产开发项目的选址决策问题实际上是一个不确定影响因素、不完备信息下的多目标决策问题。
参考来源 - 基于矩阵集合理论的房地产开发项目的选址决策研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同时，经典粗糙集理论缺乏对不完备信息的处理。
Simultaneously, the classical rough set theory is based on complete information systems.
对如何直接从这种不完备信息表上找决策规则的方法也进行了讨论。
How to find decision rules directly from such an incomplete information decision table is also discussed.
文中针对以上两个不足，提出了在联合行动和不完备信息下的协调学习。
In the paper, cooperated learning under joined action and imperfect information was proposed for solving these two problems.
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