In large data space, data process is simplified by using cosine similarity and some special vectors are got, these vectors are response to the changing of elements, by which the vectors are composed.
在对超大数据空间进行数据处理时 ,用余弦相似度聚类分析 ,得到一些反映向量对应元素之间变化的特征向量 ,用这些向量作为因变量空间代替原数据空间 ,再用偏最小二乘法对其进行关联 ,是一种快速有效的方法 。
A group of detecting data in an experiment is taken as a set of coordinate of a vector in data space.
把每次实验所测的一组数据都看成数据空间某个向量的一组坐标 ,将高维空间问题转化为低维空间问题 ,给出了计算框图和算例 。
Traditional orgnization of compiling data space is analysed,which indicates it is the nature factor that buffer overflow attack can often threaten software runtime secruity.
分析了传统的编译数据空间组织结构,说明它是缓冲区溢出威胁软件运行时安全的先天成因。
Grid data management based on dataspace;
基于数据空间的网格数据管理(英文)
This paper introduces the concept and characters of dataspace,and presents a framework for dataspace integration and management system.
阐述了数据空间概念及其特性,提出了数据空间集成与管理系统框架。
Also dataspace has to integrate the data in pay-as-you-go fashion.
数据空间(dataspace)技术是应对新的数据管理挑战,在2005年由M。
Synthetic assessment of ecoenvironment in the arid inland basin based on multisource spatial data—a case study on Ganzhou District of Zhangye City;
基于多源空间数据的干旱区内陆河流域生态环境综合评价——以张掖市甘州区为例
Research status about spatial data fusion and its problem analysis;
空间数据融合的研究现状及其问题分析
The Discussion on some Problems about Spatial Data Sharing;
空间数据共享几个问题的探讨
Research of urban traffic planning on space data warehouse;
基于空间数据仓库的城市交通规划研究
A Preliminary Exploration to Forestry GIS Space Data Quality and Error;
林业地理信息系统空间数据质量及误差初探
Design and implementation of space database in GIS of water-supply pipeline network;
供水管网GIS中空间数据库的设计与实现
This paper introduces the types and the basic quality requirements of geospatial data.
空间数据在数字化城市管理新模式实现中不仅起了十分重要的支撑和保障作用,而且大大提升了该模式的应用功效。
The paper put forward geospatial data interoperability architecture model(GIAM) based new generation grid computing environment.
提出了基于新一代网格计算环境的空间数据互操作体系结构模型。
On the basis of the concept of geospatial data quality, this paper introduces the dimensions of geospatial data quality for further understanding the components.
引入空间数据质量维的概念,在比较分析几个标准化组织提出的空间数据质量内容组成的基础上,结合我国的特点和现实要求,提出了一套可供参考的空间数据质量元素和子元素。
Building spacial fundus of Forestry Resources Information can offer spacial data for attribute information of forestry resources and base data for GIS application in forestry.
建立林业资源信息空间基底是为林业资源的属性信息提供空间数据,为GIS在林业方面的应用提供基础数据。
The WebGIS helps people to acquire all the geographical spacial data and information of graphs and images through the Internet.
WebGIS使人们通过互联网获取所需的各种地理空间数据和图形图像信息。
The Research of Spatial Data Mining Techniques in Spatial Database;
空间数据库的空间数据挖掘技术研究
Global Spatial Data Infrastructure
全球空间数据基础设施
Regional Spatial Data Infrastructure (RSDI)
区域空间数据基础设施
National Spatial Data Infrastructure
国家空间数据基础设施
spatial data base management system
空间数据库管理系统
The Research on Technology of Spatial Data Sharing Based on Spatial Data Grid;
基于空间数据网格的空间数据共享技术研究
Spatial Database Oriented Application Research on Spatial Data Mining;
面向空间数据库的空间数据挖掘应用研究
The Analysis of Spatial Data and Implement the System of Spatial Data Sharing;
空间数据分析和空间数据共享系统实现
Quality Control of Spatial Data
浅谈空间数据库建库时空间数据的质量控制
Spatial Index System for Spatial Database Engine;
面向空间数据库引擎的空间索引系统
Research on the Key Theory of the Spatial Relations in the Spatial Database
空间数据库空间关系的关键理论研究
Prediction Models for Spatial Data Based on Spatial Autocorrelation
融合空间自相关的空间数据预测模型
Active Update on Distributed Spatial Databases;
分布式空间数据库主动数据更新研究
Study on Techniques of Spatial Database Based-data Mining;
基于空间数据库的数据挖掘技术研究
Research on Updating Method for Spatial Database Upon Heterogeneous Data Sources
多源数据更新空间数据库的方法研究
Application of Middle Ware Technology to Spatial Data Sharing
中间件技术在空间数据共享中的应用
A Research on Spatial Data Mining of Digital Elevation Models;
数字高程模型(DEM)空间数据挖掘研究
Research on Urban Spatial Data Infrastructure for "Digital Fuzhou;
“数字福州”空间数据基础设施研究
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