数据信息

In GIS, data quality is one of the key aspects.The Recent studies of data quality in GIS most focus in the error of spatial data. The error study on attribute data is very weak. Most studies centralize in precision analysis of attribute data from remote sensing and introduction of new method. The studies of attribute information quality stored in RDB are very weak.

近年来，GIS数据质量的研究集中在位置数据的误差上，而对属性数据误差的研究较少，多年来的研究主要集中在遥感分类属性数据的精度分析和一些新方法的引入上，而关系数据库存储的属性信息质量方面的研究相对比较薄弱。

Taking customer domain for example, an ontology-based customer metadata model is build and formalized in description logics. Then two kinds of modes for customer information sharing are studied. The two modes are to construct a global c ustomer m etadata m odel w ithin a n e nterprise a nd t o c onstruct a mapping mechanism between customer metadata models located on different enterprises respectively. In the first mode, an information source is regarded as a 3-tuples, including a metadata model, a concept relation set and a resource data set.

然后从两个层面来探讨客户信息的共享机制：一是在企业内部创建统一的客户元数据模型，将信息源抽象成一个包含元数据模型、概念关系集、资源数据集的三元组，对概念关系的构成及获取方法进行分析，随后建立数据请求的模型，并相应地提出基于概念关系和基于术语相似度的两种答复模式。

More than one way of ciphering was available to ensure the network safety.After all,the system had comprehensive laboratory modules,powerful connection capacity with other systems,convenient ways to input,standardized coded tests,all??round and authority reference values data??base,and,original dynamic management assistant function.

对数据的存储采用最小元素结构，并可根据需要提供多种格式输出，保证了数据的可共享性；系统支持TCP/IP通讯协议传输方式，为系统内的业务数据跨平台共享提供了基础；可根据要求提供多种加密方式，这使信息系统的联网安全得到了保障；有全面的检验模块、强大的联机功能、方便的数据录入方式、标准化的项目设置、全面而权威的项目参考值数据库、独创的动态管理辅助功能。

Basing on the 3D image data compression and in accordance with the structure characteristics of 3DLCS scanning data that the scanning data set of 3D surface can be considered as a curve set in 3D space, the thesis extends 2D curve Splitting compressing method to the 3D space and presents a 3D curve compressing method based on the curve compression and the color information compression. The 3D compressing effect is better.

在三维图像数据压缩方面，根据3DLCS的扫描数据结构特点（即可以将三维表面扫描数据集看作一个空间曲线的集合），将平面曲线压缩中的Splitting方法推广到三维情形，提出了一种基于曲线压缩和彩色信息压缩的三维数据压缩方法，取得了较好的压缩效果。

Based specialized, generalized and visualized basic geographical information, it collects many information, such as detected video, traffic control signal, traffic peccancy, policemen distributing, traffic target, stopping position and capacity, to general manage and analyze. The primary visualized decision information including traffic flux, bus speed, traffic density, accident of real-time cities main road, are provided to traffic manager so that they respond rapidly, and some of them could be transformed to traffic inducing screen through network.

系统设计目的：建成一个基于网络环境的实时的、可视化的交通管理地理信息系统服务平台，它以专业化的、综合性的、可视化的基础地理信息为基础，综合集成现有系统，将监控视频，交通控制信号、交通违章监控等实时动态信息以及警力分布、交通标志、停车场位置及容量等各种数据采集起来，进行集中管理和分析，为交通管理者提供实时的城市各主要道路的交通流量、车速、交通密度、事故发生情况等可视化初级辅助决策信息，以便交通管理人员做出快速响应，也可将部分信息通过网络主动发布到交通诱导屏。

Busparallel expansion and pipeline technique are adopted to improve the average inputand output speed of recorder based on FLASH memory. 2 A concept of 'cluster' isintroduced. The using state message of each cluster is loaded in the spare area,following the target datum, to keep the pipeline sequence of multiple clusters' loading, which guarantee the average input speed of system. 3 Based on the using statemessage of every cluster, the Cluster Allocation Table established in memory enablethe system to manage the recorder flexibly in high speed, similar to a file managementsystem. 4 PowerPC 8245 based embedded system, along with Vxworks real-timeoperating system is introduced to make the system more easier to be applied to theprojects in the future.

本文所述的关键技术特点主要包括：采用了并行扩展以及流水线操作技术以提高基于FLASH芯片的存储区平均输入输出能力；引入了&簇&的概念，为了保证连续写入过程中的流水线顺序，系统向存储区加载每一簇有效数据后，紧接着还将向相应簇的空余区中加载该簇的使用状态信息；根据所有簇的使用状态信息在系统内存中建立&簇分配表&，可以支持系统快速灵活地管理存储区，即，类文件化的数据管理；采用基于PowerPC8245的嵌入式计算机硬件系统及基于Vxworks的嵌入式实时操作系统，提高了系统的整体性能及系统研发的延续性。

Use reseau computation to realize the data processing of system of information of modern number city, it is the process of data processing technology and computer technology recombine, it is the new thinking of digital city information processing.

利用网格计算实现现代化数字城市信息系统的数据处理，是数据处理技术与计算机技术再结合的过程，是数字城市信息处理的新思路。

This object can hold several descriptors describing what you want to do, what data you want to do it to, the type of data, and other bits of information.

该对象包含了很多的描述信息，描述了你想做什么操作，你想处理什么数据，数据的类型，以及一些其他的重要信息。

With the popularity of accountancy information system in enterprises, security audit of electronic accountancy data is of growing importance in that it provides correctness, equity and security of accountancy data by effective means and programs according to the rule of computer auditing.

随着会计信息系统在企业中的不断普及，对由此产生的电子财会数据的安全性审计，即根据计算机审计准则，通过各种有效的方法和程序，对会计信息系统提供的会计数据是否正确、公正和安全进行的审计。

To use, open, scalable platform for enterprise information portal. Through needs analysis, as well as communication with customers, is the development of websites to achieve the following objectives: Web site design using userfriendly, user

通过需求分析以及与客户的沟通，现制定网站实现目标如下：网站使用人性化设计，界面友好、安全、实用，网站操作便捷并具有高度信息延续性、可扩展性，提供建立在关系型数据库系统上的数字信息组织、管理、查询等功能，对用户输入的数据进行严格的数据检索，尽可能地排除人为错误

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。