The base state with amendments model is used widely as a spatiotemporal data model.
基态修正模型是目前应用较广的一种时空数据模型。
Data model is one of the central activities in the research of spatiotemporal database.
时空数据模型是时空数据库的研究重点之一。
Massive spatiotemporal data organization in new generation GIS platform is a key technique.
海量时空数据组织是下一代GIS平台所要解决的关键技术。
In this paper, based-on attribute-cluster, a new spatiotemporal data aggregation query algorithm is proposed.
提出了基于属性簇的时空数据聚集查询算法。
The organization and update of contour's spatiotemporal data is an important part of spatiotemporal data updating.
因此本文研究了等高线的时空数据组织与局部更新问题。
Database is the heart of the GIS, and the storage and query of spatiotemporal data are two important problems of GIS databases.
数据库是GIS系统的核心,空时数据的存储和查询是GIS数据库中的两个重要问题。
However, for different spatiotemporal data models, there is a big difference on spatiotemporal data updating and query approaches.
但对于不同的时空数据模型,时空数据更新处理和查询的方法存在很大差异。
At present, access efficiency of spatial and spatiotemporal data based on seamless massive table mechanism needs solid improvement.
当前,基于无缝海量大表的空间及时态空间数据的存取效率亟待提高。
In this paper, the author studied the methods of spatiotemporal data updating and query on the basis of base state with amendments model.
本文在基态修正模型的基础上,对时空数据更新和查询的方法进行探讨。
With more and more spatiotemporal data enriching the pavement history database, the precision of the prediction model will be improved greatly.
随着历史数据的不断完善,预测模型的准确性也将不断提高。
The paper introduced object oriented spatiotemporal data model, looked on all kinds of things as objects and described road as face shape element.
本文引入面向对象的时空数据模型,把各种实体作为对象,把道路作为面状要素描述。
The model plays a significant effect in solving the problems of the traditional spatiotemporal data model based on base state with amendments in existence.
该模型在解决传统基态修正时空数据库模型存在的问题方面起到了显著的效果。
A spatiotemporal data model is proposed to represent dynamic road networks based on base State with Amendments model and object-version management theories.
基于基态修正模型以及对象版本管理的思想,提出用于动态道路网络数据管理的时空数据模型。
This paper sets forward a new spatiotemporal data model based on the states of the changing features according to the character of land registration change.
本文结合实践中地籍变更的特点,提出了基于特征变化状态的时空数据模型。
The feature is an essential element that comprises spatiotemporal data information and the event is a fundamental factor that result in changing spatiotemporal data.
地理特征对象是时空数据组织的基本单元,而事件是导致时空数据发生变化的根本原因。
The previous researches on spatiotemporal databases were concentrated on data models and languages, they are not the implementation of spatiotemporal database systems.
已有的时空数据库研究集中在模型和语言上,缺乏时空数据库的系统实现。
According to the spatial and temporal characteristics of GIS-T data, this thesis has carried on the analysis and comparison of several existing spatiotemporal data model.
根据GIS - T数据所具有的时空特性,本文对现有的时空数据模型进行对比分析。
At present, there isn't a clear definition and description of spatiotemporal topological relationships which is a conceptual and formal basis of spatiotemporal data model.
目前,国际上对于作为时空数据模型概念和形式化基础的时空拓扑关系定义和描述还没有一个明确的阐述。
It introduces the system structure, system organization, and system function of a temporal cadastral information system based on this kind of spatiotemporal data structure.
着重介绍了一个基于这种时空数据结构的时域地籍信息系统的系统结构、组织及功能。
It is proven that the model is well applicable to line process data with the dynamic characteristics, and can also provide basis for spatiotemporal data model whole designing.
结果表明,该模型能够很好地应用于具有时空过程特性的线数据中,也为时空数据模型的总体设计提供借鉴。
The application shows that the spatiotemporal data model designed in this study makes practical sense to perform the reappearance of historical state and backdating effectively.
应用表明,本文设计的时空数据模型,在高效实现历史状态再现、回溯方面有一定的实践意义。
Integrative management of massive spatiotemporal data and the relevant capabilities for time series analysis are important research targets of new generation GIS software architecture.
时空一体化的海量数据管理及相应的时序分析能力是新一代GIS软件体系的重要研究目标之一。
The main contributions of this thesis are as follows: After analyzing GIS-T data and spatiotemporal data model, some problems of some existing spatiotemporal data model have been gotten.
本文的主要研究工作有以下几点:通过对GIS - T数据和时空数据模型的分析,探讨现有的GIS - T时空数据模型所存在的问题。
This paper defines a kind of spatiotemporal data structure used to store cadastral information data, and it has soluted the problem of a lot of historical data in the management of cadastral.
在采纳了其它地籍信息系统的一些成功经验并加以修改和应用的基础上,定义了一种存储地籍信息数据的时空数据结构,较好地解决了地籍管理中的大量的历史数据问题。
To analyse the drought spatiotemporal pattern in China for a long time with remote sensing, the study focused on Regional drought Monitoring Models only based on remote sensing data.
为了利用遥感资料分析较长时间我国干旱发生的时空格局,本论文致力于区域干旱监测遥感模型的研究。
It can realize not only the data manipulating functions such as browsing, query, copy, output, adding, deletion, modification and renewing, but also spatiotemporal analysis.
系统具备了对数据的浏览、查询、复制、输出以及增加、删减、修改、更新等功能,还能对数据进行时空分析。
Spatio-temporal data mining is an important research topic in data mining, and in which spatiotemporal forecasting is the most widely used.
时空数据挖掘是数据挖掘中的重要研究内容,其中时空预测的应用领域最为广泛。
Then, the model is employed to visualize the spatiotemporal variation of rainfall data.
应用水文时空数据模型显示降雨数据的时空变化过程。
Then, the model is employed to visualize the spatiotemporal variation of rainfall data.
应用水文时空数据模型显示降雨数据的时空变化过程。
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