数据挖掘

The inappropriate data mining methods based on these uncertain data will result in poor, even unaccepted quality of mining models.

如果不充分考虑这些数据的不确定性，不采用合适的数据挖掘方法，那么必然会导致挖掘模型性能下降，甚至是不可接受的。

Mines useful and unobvious information from the vast data stored in employment management information system by data mining.

对于高校就业管理信息系统中积累的大量数据，运用数据挖掘算法中的决策树方法挖掘出潜在的有用的信息，为高校开展就业工作提供决策支持。

Taking Changling County, Zhenlai County and Da'an City of Jilin Province as researchareas, based on remote sensing data, graphics operation and spatial analysis are carried out indifferent points of views, including temporal, spatial, scale and landscapeetc; all aspects analysis of this dissertation are abstractively expressed by digital graphics andseries of curves which are not stick to one pattern to discussing multi-dimension andcomplicated attributes of the salinized process. Linking up temporal-spatial characteristicswith landscape indices while combining mathematics model and Geo-informatic TUPUmodel, this dissertation puts forward the fundamental frame: temporal-spatial evolvementpattern, spatial extension process analysis and landscape characteristics analysis of salinizedland. Temporal-spatial evolvement pattern analysis extracts the essential quantity features andtransformation modes of salinized land, and also analyzes patches spatial geometricalparameters scale feature; spatial extending process analysis discusses the change rate andecological modes; landscape feature analysis utilizes landscape graphics indices to describesalinized land microcosmic graphics features and changes.

信息图谱模型为土地盐碱化研究提供了一种谱系化、定量化与定位化相结合的研究方法，本文选取吉林省西部盐碱化典型区域长岭县、镇赉县、大安市作为研究区，以遥感影像为基础数据，在GIS技术支持下，从时空变化、尺度效应、景观特征等多个角度对盐碱化土地进行图形运算、空间分析，通过不拘一格的数字化图形、曲线系列抽象表达出不同维度上的特征与规律，探讨土地盐碱化过程的多维性与复杂性，将盐碱化土地时空特征与景观特征衔接、数学模型与图谱模型结合，以盐碱化土地时空演变基本模式、空间扩展过程和景观特征分析为框架构建盐碱化土地信息图谱模型研究体系，发挥图谱模型数据挖掘、知识发现的特长，将宏观动态变化与微观特征相联系，进一步挖掘土地盐碱化过程与人类活动影响的关系，为探索研究区盐碱化土地成因、过程，预测其未来发展变化趋势及其对环境影响提供相关科学依据。

After years of development, data mining algorithm has become increasingly mature, stable, and easy to understand and operate, then the data mining research has gradually shifted its focus on how to applicate.

经过多年的发展，数据挖掘的算法已日趋成熟、稳定，且易于理解和操作，于是数据挖掘的研究重点也逐渐转向了如何应用方面。

The result shows that RSDMS is effective ,and RSDMS can be used in other fields commendably.

分析了电力客户数据中存在的数据挖掘模式并用RSDMS 系统对这些模式进行了挖掘，结果表明该系统是有效的，该系统对它应用领域也有很好的适应性。

After a brief account of data mining techniques including the commonly-used techniques and the review of the development of this technology, the object of data mining and the findable patterns, in this thesis we generally describe association rule data mining technology.

本文先对数据挖掘技术做了简单的总结，对它的产生进行了简要的回顾，对数据挖掘的对象、可发现的模式和常使用的技术进行了较全面的分类、归纳和总结。

On the basis of retrospecting the development of intrusion detection technology, the problems incurrent intrusion detection systems are analysised. By comparing several kinds of intelligent methods in intrusion detection including artifical neural network, artifical immunity and data mining, we present that data mining is a perfect method to construct normal profile of protected system which is used in anomaly detection.

入侵检测作为一种主动防御手段，在其发展的过程中，有些问题一直没有得到很好的解决，如对未知攻击的识别与界定以及受保护系统正常模式的建立等，目前国内外普遍采用在异常检测中引入智能化方法来解决这些问题，例如采用神经网络、人工免疫、数据挖掘技术等等，其中数据挖掘是目前比较理想的一种方法。

Multi-relational data mining is one of rapidly developing subfields of data minning.

多关系数据挖掘是近年来快速发展的重要的数据挖掘领域之一。

How the great capacity of customer data resource which come from the accumulation of running CRM system is used and how advanced data mining technologies are utilized to fully mine the customer requirement, to improve business saleroom, to enhance customer service level and to boost companies' power of core competition, which has become a focus problem that impact telecom companies' further development.

随着国内电信业市场竞争的加剧，面对日益激烈的资费竞争，电信运营商如何运用现有的客户关系管理系统积累的海量客户数据资源，利用先进的数据挖掘技术，充分挖掘客户需求，提高业务营销、客户服务水平，提高企业核心竞争力，已经成为电信企业进一步发展的焦点问题。

The research on data stream mining is very hot in these years.

流数据挖掘是当前数据挖掘领域研究的热点。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。