reduct造句
例句与造句
- abstract : in the operation beginning of the tandem rolling mill reduction gears being overhauled, the magnitude of the vibration is t oo large . this paper introduces a method of the vibration diagnosis of the reduct ion gears and explains the fault cause . it is proved that the conclusion is corre ct when the failure parts are replaced
文摘:针对连轧机组减速机在检修后开始工作中，产生较大振动这一异常现象进行了诊断与分析，从而找出了产生这一故障的原因，更换故障件后得到证实，诊断是正确的 - 2 ) based on the invariability ( or approximate invariability ) of function value, we give out the definitions of intent reduct ( or approximate intent reduct ) and intent core ( or approximate intent core ) of concept node, investigate their properties in detail, and prove that the problems of computing them can be transformed into the problem of computing the minimal cover of a family of sets
2）在函数取值不变性（或近似不变性）的基础上，提出了概念节点的内涵缩减（或近似内涵缩减）和内涵核（或近似内涵核）的概念，详细地研究了它们的性质，证明了它们的计算问题都可以等价地转化为族集最小覆盖集的计算问题。 - 2 ) based on the invariability ( or approximate invariability ) of function value, we give out the definitions of intent reduct ( or approximate intent reduct ) and intent core ( or approximate intent core ) of concept node, investigate their properties in detail, and prove that the problems of computing them can be transformed into the problem of computing the minimal cover of a family of sets
2）在函数取值不变性（或近似不变性）的基础上，提出了概念节点的内涵缩减（或近似内涵缩减）和内涵核（或近似内涵核）的概念，详细地研究了它们的性质，证明了它们的计算问题都可以等价地转化为族集最小覆盖集的计算问题。 - 3 ) to discover association rules, we present a framework based on concept lattice . first, in the light of the requirement of mining association rules, the structure of concept node is simplified, and the corresponding building algorithm is developed . then we give out the algorithms for extracting association rules from the lattice based on intent reduct, where two properties are exploited to remove the redundant rules
首先，针对关联规则发现的需求，我们对概念格节点的结构进行了相应的简化修改，并给出了相应的构造算法；然后基于内涵缩减，我们给出了从格上提取关联规则的算法伪码，两个性质被用来去除冗余的关联规则；文中还分析了基于概念格的关联规则发现与传统的发现算法相比所具有一系列的优点。 - its computational complexity for positive region and reduct is o m 2-tm n instead of o m-tm n 2 in discernibility-matrix-based approach, and is not over o n 2 for other concepts in rough sets, where m and n are the numbers of attributes and objects respectively in a given dataset also called an-it information system in rough sets
由于reduct是给定信息系统属性集合的一个属性子集，reduct可以考虑为特征选择的一个解答，因此，reduct理论的另一个可能应用是特征选择。无论是情报分析还是特征选择，关于这些应用的一个共同要求是，有关计算reduct核以及reduct理论中其它概念的算法效率必须高。 - It's difficult to find reduct in a sentence. 用reduct造句挺难的
- in third part, we established two algorithm : data reduct and mdrbr ( mining default rules based on rough set ), the objective is to acquire diagnostic knowledge from cases automatically from the diagnosed cases database, in the end established knowledge database that could be used for consequence . and in this part, we also discussed question how to inosculate between acquire knowledge by data mining and experience of clinician, and estimated for knowledge
从第三部分开始，在经典粗糙集理论的基础上建立适合于医学信息数据挖掘的算法:数据简约和默认规则挖掘算法mdrbr(miningdefaultrulesbasedonroughset)，将诊断知识从确诊病例数据库中自动的获取出来，最终形成可用于推理的知识，还讨论了对于所挖掘到的知识如何与临床医生的经验融合的问题，以及知识的初步评价。 - there are follow innovative idea : solving the bottleneck problem in constructing medicinal assisted diagnosis system using technology of data mining; starting with classical rough set theory, established two algorithms : data reduct and mdrbr ( mining default rules based on rough set ), the objective is to acquire diagnostic knowledge from cases automatically from the diagnosed cases database, in the end established knowledge database that could be used for consequence
本研究的创新点:使用数据挖掘技术，解决医学辅助诊断专家系统开发过程中的瓶颈问题;从经典的粗糙集理论入手，结合确诊病例数据库和临床诊断的特点，得到两种数据挖掘算法:数据简约算法和默认规则挖掘算法mdrbr(miningdefaultrulesbasedonroughset)，从已确诊病例数据库中获得骨肿瘤诊断知识，建立诊断知识库。 - the work of this present paper mainly includes the investigation of the structure of kdd system, the study of the basic concepts of rough set theory, the research of the questions in the heuristic reduct finding algorithms based the rough set theory used in the data reduction and the discretization in the field of kdd, and the development of the system which is used to study the algorithms of the rough set
论文的主要工作是了解知识发现的体系结构，学习粗糙集理论的基本概念，研究基于粗糙集理论的约简算法在知识发现领域中进行数据约简和离散化两个方面存在的问题，开发用于粗糙集理论算法研究的实验平台。 - the dissertation explores the modeling approaches of normal behavior of process on the ground of knowledge representation and rule acquisition of rough set . besides it, a hybrid anomaly detection algorithm associating reduct of rough set with classification of svm is proposed . the underlying idea is reducing data dimension in virtue of attribute reduct, then operating reduced and normalized datum using the binary v-svm algorithm
论文详细地研究了基于rough集知识表达和规则获取的进程正常行为的建模方法,在此基础上,结合统计机器学习理论,提出了一种rough集约简和支持向量机分类相结合的混合异常检测算法,其基本思想是采用rough集属性约简的方法压缩数据空间,然后利用v-svm两分类算法处理约简和正规化后的数据,算法在不损失检测精度的前提下有效缩短了检测时间,更适用于实时入侵检测场合。 - the dissertation explores the modeling approaches of normal behavior of process on the ground of knowledge representation and rule acquisition of rough set . besides it, a hybrid anomaly detection algorithm associating reduct of rough set with classification of svm is proposed . the underlying idea is reducing data dimension in virtue of attribute reduct, then operating reduced and normalized datum using the binary v-svm algorithm
论文详细地研究了基于rough集知识表达和规则获取的进程正常行为的建模方法,在此基础上,结合统计机器学习理论,提出了一种rough集约简和支持向量机分类相结合的混合异常检测算法,其基本思想是采用rough集属性约简的方法压缩数据空间,然后利用v-svm两分类算法处理约简和正规化后的数据,算法在不损失检测精度的前提下有效缩短了检测时间,更适用于实时入侵检测场合。 - then, it introduces the relative principle and main direction of research and developing methods, where relativity is deeply investigated . to emphasizes methods and treatment of knowledge operation, it also introduces the main conception and corresponding theory of rs ( rough set ), where rs is compared with other uncertain knowledge reasoning . by using these principles, the article raises some new practicing algorithms, such as analyzing case base by utilizing rs ( data reduct etc . ), index or retrieving by rs, discovering knowledge from case base, and domain knowledge using weight or weight extracting
本文首先探讨了智能决策支持系统(idss)的基本原理、结构、构造方法、研究现状以及发展方向，对三种主要的智能决策支持系统的结构进行了广泛的比较研究；针对智能决策支持系统研究中所存在的问题，引出了基于案例推理(cbr)，介绍了基于案例推理的相关理论、工作机理，并对相似性进行了深入的探讨；接着介绍了粗糙集(rs)的主要概念和相关理论，主要介绍了对知识的处理方法和技术，重点介绍了粗糙集对知识的处理能力，并对粗糙集与其它的不精确推理进行了详细的比较。 - on the basis of the idea of association rule combined with rough set, we propounded a kind of decision rule reduct algorithm based on preferential information, which was applied to the data analysis of traffic accidents of changchun city, so as to finish the implement of traffic accidents analysis system
摘要结合关联规则与粗糙集的思想，提出了基于偏好信息的决策规则约简算法，并将该算法应用于长春市历年的道路交通事故数据分析中，从而找出交通事故发生的潜在规律。 - according to the results of the experiment, the paper discusses the question that it takes too much time in the finding reduct when this kind of the algorithm is used in the data set without core . an adaptive model horafa-a is constructed with the heuristic optimal reduct finding algorithm presented in the paper
同时根据实验讨论了该类算法对于无核数据集所存在的需要大量时间求约简的问题，在这个问题的探讨中，本文结合上述利用属性频率函数的启发式约简算法提出了一个可以实现算法自适应的模型??horafa?a。 - according to the results of the experiment, the paper discusses the question that it takes too much time in the finding reduct when this kind of the algorithm is used in the data set without core . an adaptive model horafa-a is constructed with the heuristic optimal reduct finding algorithm presented in the paper
同时根据实验讨论了该类算法对于无核数据集所存在的需要大量时间求约简的问题，在这个问题的探讨中，本文结合上述利用属性频率函数的启发式约简算法提出了一个可以实现算法自适应的模型??horafa?a。 - in the field of discretization, frequencies function is imported to the ns algorithm and the new reduct finding algorithm are shown . a new concept------ candidate core and a new algorithm based on it are presented to solve the question in the ns algorithm with the heuristic reduct finding algorithm
在离散化方面，将属性频率函数引入到ns算法中，提出了相应的约简算法，同时为了解决启发式约简算法在ns算法中存在的问题提出了新的概念??候选核和基于候选核的bcc算法。
