查询词典 mining

The data mining languages can be divided into three types: Inquire language, modeling language and all-purpose language. The first stage of data mining language is inquire languages, PMML is a modeling language, OLE DB for DM is a all-purpose language.

数据挖掘语言可以分为三种类型：查询语言、建模语言和通用语言，第一阶段的数据挖掘语言一般属于查询语言，PMML属于建模语言，OLE DB for DM属于通用语言。

According to the dichotomy pixel Spatial Modeler modeling tool used to calculate the vegetation coverage in mining, use of non-supervised classification of vegetation coverage on the mining area classification, coloring, and finally come to mine the vegetation coverage in 1990-2000 category map, quantitative description of the Shanxi Province, 10 years of vegetation cover change: The region coverage to low, medium and high-based, the proportion remained almost unchanged, a significant increase in very low coverage, high coverage significantly decline.

根据像元二分法利用的建模工具Spatial Modeler计算出矿区的植被覆盖度，利用非监督分类方法对矿区的植被覆盖度进行分类、赋色，最后得出矿1990-2000年的植被覆盖度分类图，定量的说明了山西省10年间的植被覆盖变化情况：全区覆盖度以低、中和中高为主，所占比例几乎保持不变，极低覆盖度有明显增加，高覆盖度有明显下降。

Only mining thickness factor is considered in the experiential formula,in fact,the mining depth,the length of working face and the dip angle of coal bed should be included.

传统的经验公式对导水裂隙带的估算值考虑了采高一个因素，而实际上导水裂隙带的发育高度还与采深、工作面长度、煤层倾角等因素有关。

Contour mining is the main type of mining used in Appalachia. The miner exca

等高开采是阿巴拉契亚地区的主要采矿方式。

An efficient parallel algorithm, PMAR, which is based on share nothing architechure in multiple computers, is given to settle the problem of mining association rules in a distributed database or a very large database, An incremental updating algorithm for mining association rules, EUIA, which is based on algorithm LIDBSO, is proposed.

提出了一个基于多台计算机间无共享体系结构的高效并行采掘关联规则的算法PMAR，用于解决在分布式数据库中或在特大数据库中的关联规则采掘问题。

At present, the researches of data mining majority focus in the arithmetic of data mining and pay little attention to the quality questions of source data.

目前，数据挖掘的研究工作大多数着眼于数据挖掘算法上而很少关注源数据的质量问题。

Introduce the several technology of data mining, compare two data mining arithmetics and propose some problem that should be resolved.

介绍了数据挖掘的几种技术，比较了两种数据挖掘的检测算法，提出了检测算法需要解决的问题。

In the method of data analysis, the paper researches application of data mining and knowledge database, then design frame of data mining automatism class engine and knowledge decision.

在地面子系统的数据分析方法中，本文着重分析了数据挖掘技术和知识库系统在地面子系统的应用，并设计了数据挖掘自动分类引擎和知识决策的总体框图。

Market basket analysis is one of the typical applications in mining association rules. It can find out the relationship of items form a large amount of transaction data, and can help marketing analysts to learn the purchasing behaviors of customers. The valuable information discovered from data mining could be used to support decision making such as marketing promotions, shelf space management, bundle selling, cross-selling, etc.

在关联分析的应用领域，最典型的例子为购物篮分析，透过购物篮分析可以找出顾客交易行为中商品品项之关联性，以帮助决策者了解顾客的购买习性，进而将此资讯应用在市场行销、货架摆设、产品组合销售与交叉销售之决策依据。

Along with the ground water mining quantity increasing massively, it initiated the subsoil water level drops largely, ground water mining descended the funnel area to expand unceasingly, at present the partial region ground water burying depth has amounted to 30 - 40 meters.

随着地下水开采量的大量增加，引发了地下水位的大幅度下降，地下水开采降落漏斗面积不断扩大，目前局部区域的地下水埋深已达到30-40米。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。