vdm

VDM Algorithm in the Application of Data Mining

VDM算法在数据采掘中的应用

As you can see , the VDM consists of three parts

正如您所见，VDM包含三个部分

This paper introduces a formalized analysis method for software development : Vienna Development Method ( VDM ) .

介绍了软件开发方法中的一种形式化分析方法：Viennadevelopmentmethod（VDM）。

A Comparison of the differences between Z and VDM Specification Languages

Z和VDM规格说明的差异比较

The VDM provides three deployment options

VDM提供了三个部署选项

VDM is used in calculating distance of continuous attributes and in continuous attribute discretion and has a good effect .

值差分度量算法原本是用于计算离散属性值间的距离，但实际上将这种方法反过来用于连续属性的离散化也可以有相当好的效果。

Comparison of Z and VDM with B

B语言和方法与Z、VDM的比较

The VDM Engine , the core of the VDM .

VDM引擎，它是VDM的核心。

VDM reads in the VM deployment task .

VDM将读入VM部署任务。

Every set of the VDM equipment has unique IP address in the local area network , which can be recognized and parallel controlled by the computer .

每台VDM在局域网中都有独立的IP地址，实现了VDM设备的地址识别与联网控制。

We especially did the data visualization ( DV ) analysis and visual data mining ( VDM ) on data related to fatigue life in detail in the paper .

在此基础上，特别对疲劳分析的相关数据进行了可视化分析和数据挖掘。

However , to register and start the new VM , the server installed VDM should have some VM hypervisor utilities installed .

但是，要注册并启动新VM，安装了VDM的服务器应当安装一些VM管理程序工具。

Some methods for dividing continuous attributes in KDD ( knowledge discovery in database ) and a method based on VDM ( value difference metric ) are presented .

介绍了在数据库知识发现（KDD）中将连续属性离散化的一些方法，并提出使用值差分度量离散化的算法。

The VM configuration CD is a very important component of the automatic VM deployment solution because it contains both configuration data from the VDM and users .

VM配置CD是自动化VM部署解决方案的最重要组件，因为它包含来自VDM和用户的配置数据。

Furthermore , It illuminates how to use VDM technology to develop program , and program testifying with function and operation formational specification with a instance .

然后通过一个应用实例来说明如何利用VDM技术进行软件开发，及利用函数与操作的形式化规格说明来证明程序是正确的。

You can also list all the VM deployment tasks in the task list file and ask the VDM to process all the tasks in that list sequentially .

您还可以列出任务列表文件中的所有VM部署任务，并要求VDM按顺序处理该列表中的所有任务。

All VTD files are stored in the vtds folder of the VDM .

所有VTD文件都存储在VDM的vtds文件夹中。

To register a VM to VM hypervisor server and start it , the VDM needs the support of some VM hypervisor utilities .

要在VM管理程序服务器中注册VM并启动该VM，VDM需要支持一些VM管理程序工具。

Both VDM and GDM allow for efficient rendering of shadowing , occlusion , and silhouettes without increasing the complexity of the underlying surface mesh .

VDM和GDM都可在不增加表面几何复杂度的情况下，渲染几乎所有与细节结构相关的视觉效果，如自遮挡，自阴影，细节轮廓，甚至自反射。

For model-based object-oriented formal specifications ( such as , Object-Z , VDM + + specifications ), those methods are very hard to be applied .

但是对于基于模型的面向对象形式规格说明（如：Obiect-Z、VDM++规格说明）应用这些构造测试用例的技术非常困难。

In this paper , the contrasts between VDM and Z are presented by means of a relative database specification . The main features of these specification languages are discussed in detail .

本文以关系数据库的规范为例，详细讨论了两种重要的规范描述语言VDM和Z的主要区别，对它们的共性和发展史也作了简单介绍。

The paper proposeds one development method based on RUP and VDM + + . An experiment on one tally software system also been done and the experimental result proves that this method is feasible and effective .

该文将较为直观地统一软件过程和VDM++形式化方法结合在一起，提出了一种软件形式化开发方法，并通过开发一个实际的文件设备记账系统说明了该方法的可行性与有效性。

VDM finds the corresponding VM template by going though the directory containing VTD files and cloning the VM template to the destination specified in the deployment task file .

VDM将浏览包含VTD文件的目录以查找相应的VM模板，并将VM模板复制到部署任务文件中指定的目标位置。

The regression equations between Vdm and the main properties of the rocks have been made up for predicting rock drillability in the light of these factors , having precision of about 80 % .

在BCM&Ⅲ型微机上，对其数据进行了数理统计，建立了以岩石压入硬度、研磨性和塑性系数为主因子的岩石可钻性预测方程，方程的预估精度达80%左右。

Nickel-Chromium-Molybdenum alloys are Nickel based alloys , mainly including Hastelloy C series alloys . This kind of alloys also includes Haynes 625 , Inconel 686 , VDM 59 and others .

Ni-Cr-Mo合金是以HastelloyC系列合金为主的镍基合金，这类合金还包括Haynes625、Inconel686、VDM59等。

When deploying , the network configuration information will be collected by VDM and will be saved to the VM configuration ISO file so the information can be accessed when the VM starts .

在部署时，网络配置信息将由VDM来收集，并被保存到VM配置ISO文件中，以便在VM启动时可以访问这些信息。

After cloning the source VM , VDM collects all configuration data , archives it into an ISO file , and then copies it to the target location of the cloned VM .

在复制源VM之后，VDM将收集所有配置数据，将其存档到ISO文件中，然后将该文件复制到复制的VM的目标位置中。

VDM is meant to be a systematic approach to the development of large computer software system . This paper discusses its four key points , formal specification , staged implementation based on transformation , justification and abstraction prin - '

VDM是一种系统地开发大型软件的方法，本文讨论这种方法的四要素：形式化的规范说明，基于变换的分阶段系统实现，正确性证明和抽象原理。

The CD is simulated by an ISO file generated by the VDM according to the VM deployment task and will be mounted to a virtual CD-ROM so it can hold far more data than a floppy disk .

该CD是由VDM所生成的ISO文件根据VM部署任务模拟的，并且将被装入虚拟光驱，这样它可以比软盘保存更多的数据。

In order to reduce the calculation amount of power flow in large-scale distribution networks , a method of power flow algorithm hybrid model of voltage drop model ( VDM ) and line losses model ( LLM ) is presented after analyzing VDM and LLM .

为了减少大规模配电网潮流分析的计算量，在分析了等效电压降落模型法（VDM）和等效线损模型法（LLM）的基础上，提出了二者相混合的配电网潮流算法。