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- The method that geospatial dimension, thematic dimension, time dimension together make up spatial data cube is expressed by conceptual and physical mode. 表述地理空间维、专题维和时间维在概念层次和物理层次上构成空间数据立方体的方法;
- The Research on Materialization View Selection Method of Spatial Data Cube 空间数据立方体的物化视图选择方法研究
- The Aggregation of Spatial Measure in Spatial Data Cube on Multi-Source Data for"Digital City" 面向"数字城市"多源数据的空间数据立方体空间度量研究
- spatial data cube 空间数据立方体
- Data of SWEM include spatial data and table data. 水土保持监测数据根据数据格式划分,可分为空间数据和表格数据。
- (2) tilt time frame is adopted in data collection and the ISB expression of spatial data streams provides many advantages to the computation of regression data cubes; 第二,引入倾斜时间的技术,收集足够的(而非完全的)空间流数据,节省大量的存储空间供回归分析、计算使用;同时ISB表示法为回归立方体的多度量计算提供很好的支持;
- It is often not feasible to compute a complete data cube due to the huge storage requirement. 但是,由于数据量太大,要计算一个完整的数据立方体代价总是非常昂贵。
- Just as Entity-Relation model is the foundation of OLTP application, OLAP has data cube model as its foundation. 正如实体关系模型是OLTP应用的基础一样,数据立方体模型是OLAP应用的数据基础。
- Data cube has been playing an important role in the high dimensional OLAP operations. 摘要数据立方体在许多多维数据的数据仓库的高速OLAP操作中扮演着重要的角色。
- The system can accomplish figure data management, attribute data management and spatial data analysis. 该系统是一个集图形数据管理、属性数据管理和空间数据分析为一体的管理信息系统。
- So we introduce concept of multidimensional data cube, image character of nephogram, data of rainfall and so on, as component of data cube. 为此,文中引入了多维数据立方体的概念,云图的图像特征,雨量数据等信息作为立方体的组成部分,实现了有机的结合。
- In this paper, we integrate the data cube and fuzzy partition techniques to propose a single-level association rule miner. 因此,本文通过对单层次关联规则的研究,提出了以模糊分割与数据方阵为基础的算法来解决上述问题。
- Abstract: Data Cube is the central mechanism in multi-dimension database and online analytical processing(OLAP)based on multi-dimensional analysis . 摘 要: 数据立方体模型是多维数据库和以多维分析为基础的联机分析处理技术的核心机制,本文参照当前对多维数据立方体模型的最新研究成果,提出了一种新的模型并且应用于OLAP服务器基于关系的实现。
- A GIS is often used to store, retrieve, and render this Earth-relative spatial data. GIS系统通常用于存储,查询,及绘制空间信息。
- Spatio-temporal DBMS (database management system) is a DBMS which can handle the temporal data and the spatial data. 时空数据库管理系统(Spatio-Temporal DBMS)是能够同时处理时态数据和空间数据的数据库管理系统。
- The ROLAP data cube is implemented as a collection of relational tables (up to twice as many as the number of dimensions) instead of as a multidimensional array. ROLAP数据立方体是按关系表格的集合实现的(最多可达维度数目的两倍),来代替多维阵列。
- The abstract data model(ADT) of spatial data,vector and raster,is defined firstly based on basic types. 首先基于基本类型派生定义矢量和栅格抽象数据类型,在此基础上定义时空数据类型为一系列空间类型的时间片序列。
- THEY FELT I SHOULDN'T BE PERFORMING A LAST-MINUTE REALLOCATION OF THE CITY FUNDING OR BACKING UP THEIR PRECIOUS CITY-STATE DATA ARCHIVES TO THIS DATA CUBE. 他们却认为我既不该在这种紧要关头推行什么城市资本的重组,也不该用这个数据模块拷贝他们的宝贝城邦资料数据。
- Abstract:Spatial data quality is the basis of cadastral data's updating, query and analysis. 摘要:地籍空间数据质量是地籍数据更新、信息查询与分析的基础。
- According to the features of data cube, an algorithm of mining multilevel association rule is presented and implemented, which the result is satisfaction. 针对数据立方体的特点,本文提出了挖掘维间关联规则的算法,并编程实现了该算法,取得满意的结果。
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