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This paper summarizes the background and advantage of data mining, as well as the significance of data mining in the scientific research management of colleges and universities firstly, and then discusses the theory of data mining, association rules and the ideas of main algorithm, analyzes the classic Apriori algorithm and its existing problems as well as the basic solutions. After that, this paper proposes Multi-Dimensional Apriori algorithm which is designed specially for the mining of this paper; Then describes the structure of scientific research data mining system, defines subject-oriented mining tasks, including: mining the data about research projects, mining the data about papers, mining the data about academic writings. The association mining process is implemented by programing, a number of stimulating association rules are found, interpreted and analyzed.
本文首先综述了数据挖掘的研究背景、意义以及数据挖掘技术在高校科研管理中的应用现状和意义,然后在对数据挖掘相关理论、关联规则思想及主要算法进行讨论,分析经典Apriori算法及其存在的问题、基本解决方案后,提出了适合本文挖掘的多维Apriori算法的设计方案,并应用于本文挖掘中;接着论文介绍了科研数据的关联挖掘系统的结构,确定了面向主题的挖掘任务,包括:科研项目信息的挖掘、论文信息的挖掘、学术专著信息的挖掘等;设计了关联规则的实施过程,并通过程序编码得以实现,获得了多条有启发性的关联规则,并对其进行了解释与分析。
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In this study, on the basis of information theory and statistical methods, we use mutual information, n-tuple entropy and conditional entropy, combining with biological characteristics, to analyze the long range correlation and short range correlation in human Y chromosome palindromes.
本文中,我们利用信息论和统计学的方法并结合生物学的特征研究人类Y染色体回文序列的互信息、'n字'熵、条件熵,定量分析了回文序列的长程关联和短程关联,发现其中既存在长程关联,也存在短程关联,并且它们主要是由序列中的重复序列引起的。
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In addition, the position of semantic barycenter in C.A.S, smoothness or contradiction in the meanings of conjunction, different conjunctional meanings in different conjunctional marks are factors that affect the ellipsis of conjunctional marks in C.A.S.
从语义上看,紧缩句前后件语义重心的落点、关联语义的顺逆、不同的关联标记的不同关联意义,都是关联标记能否缩省的原因。
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An objective interestingness function of rule is given.
讨论了数量关联规则提取过程中的连续属性离散化方法和规则的有趣性问题,给出了数量关联规则的客观兴趣度的度量函数,提出用模板匹配方法挖掘用户感兴趣的规则,以解决数量关联规则有趣性的主观评测,研究了一种挖掘支持度和兴趣度最优的形如(A∈ [v1 ,v2 ]∧ C1 ) C2 (其中 A为连续属性,C1 、C2 为类别属性)的数量关联规则方法,并将该方法应用于股市行情分析,实验结果表明是非常有效的。
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In incorporation with Jilin province science and technology department item "Study of Industry Technological Advance Systemic Effect and Frame of Jilin Province industry Technology Incidence Establishment", about national interindustry incidence relation ,research is carried out in the paper as follows:On the base of national 1997 years input-output production table ,figures out direct consumption matrix of coefficients and matrices of middle input rate.
本文结合吉林省科学技术厅课题《产业技术进步系统效应及吉林省产业技术关联表编制框架研究》对我国的产业关联关系做了如下研究:在我国1997年投入产出表的数据基础上,计算出直接消耗系数矩阵及中间投入率矩阵,并将图分析法用于产业间关联关系的研究中;在计算完全消耗系数矩阵后,计算出各产业部门的感应度系数和影响力系数,并做了波及效果分析;本文经过对各种测算技术进步方法的比较,首次采用前沿生产函数中的数据包络分析方法分析投入产出模型中的产业间技术关联;机械设备制造业具有较高的物质关联性和技术关联性,同时波及效果显著,把含有高新技术的机械设备制造业作为主导产业发展,可以提高整个工业的技术装备水平。
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Research of Mining Relationship Patterns in Multiple Time Series An algorithm for discovery frequent patterns in multiple time series will be proposed.
2多时间序列间关联模式挖掘研究针对更有分析价值的多序列关联模式,进一步提出一种新颖的关联模式挖掘方法。
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By the means of projection operator method, we study the effects of the cross-correlation time 'tau' and the cross-correlation intensity 'lambda' between noises on the normalized intensity correlation function C.
利用投影算子方法,我们研究两噪声之间的交叉关联时间'tau'和交叉关联强度'lambda'对强度关联函数C的影响。
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The connotation of the industry correlation indicates the intrinsic and successive relationship established by the industrial department in accordance with the succession relationship and the quantity proportion. The extension is based on the definition of the essential property, including the law of spontaneous correlation and the law of factitive correlation.
产业关联规律的内涵揭示了产业部门按照时序关系和数量比例建立起内在、有序的联系,产业关联规律的外延基于对其本质属性的界定,包括产业的自在关联规律和产业的自为关联规律。
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In the article "Pragmatic Aspects of Translation: Some Relevance-Theory Observations" and his book Translation and Relevance: Cognition and Context, Gutt (2004) argued that relevance theory provides translators with the best available framework for understanding and practicing translation.
此外,在文章&语用翻译:关联理论评述&以及其著作《翻译与关联:认知与语境》中,学者Gutt(2004)评述到关联理论为译者的翻译实践提供最为行之有效的理论体系。
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Compared to nearest neighbor , it shows better effects of the correct association rate and association time.
它以一个目标为中心的近似聚为构造关联事件的起点,并在计算中将DC 和AC 结合得到的一种全邻的点迹2航迹关联算法,在杂波下目标密集、航迹复杂的数据融合系统中进行实验,对关联正确率、关联时耗等与最近邻法进行了比较,效果较好。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。