temporal database的例句大全

Thus, a change in spatio temporal database is represented by a change over a state, which can be projected to object domain, space domain and time domain separately in order to explicitly represent change over object, space and time.

按照对象域、空间域和时间域将时空数据库中的变化分别投影分解，显式地表达在对象、空间和时间上的变化。

Currently, the spatial and temporal database application development process, researchers have found that spatial data is increasing with increasing data structures are complex, expensive operation, so the spatial query is bound to the difficulties and the breakthrough point of the spatio-temporal database applications.

目前，在时空数据库的实际应用开发过程中，研究者们发现空间数据量日益具增，数据结构复杂，操作代价昂贵，因此空间查询势必成为时空数据库应用的难点和突破点。

Locations of moving objects change constantly over time. Spatio-temporal database which store the location information of moving objects should process both temporal and space data of moving objects.

移动对象的位置时刻在随时间变化，存储移动对象位置信息的数据库需要处理移动对象时间和空间频繁变化的时空数据。

We contrasted the indexing structures in spatial database, temporal database and spatio-temporal database and give a description of indexing technologies in relation database.

对空间数据库、时序数据库和时空数据库的索引结构进行对比讨论，系统的描述了与之对应的索引技术问题。

in spatio-temporal database, geographic entity model includes spatial and temporal information of geographic object.

在时空数据库中，地理实体模型包括地理对象空间信息和时态信息。

Method for Distributed Simulation Data Collection Based on Temporal Database

基于时态数据库的分布仿真数据收集方法

The temporal database has unique advantages in time operation and processing.

时态数据库在时间运算和处理方面有独到的优势。

Study on Data Dependency Theory in Temporal Database

时态数据库数据依赖理论研究

Discussion on a Temporal Database System for User Information

用户信息时态数据库系统分析

Time processing method in the design of temporal database system

时态数据库系统设计中的时间因素处理

The Achievements, Deficiency and Future Work in Temporal Database

时态数据库的成果、缺陷与未来&时态数据库二十年回顾之二

However, there is no complete temporal database management system yet by now.

但是时态数据库技术的应用仍然停留在初级阶段，到目前为止还没有一个完全的时态数据库管理系统问世。

Analysis of Indexing Technology in Spatial, Temporal and Spatio-temporal Database

空间、时序、时空数据库索引技术的分析

Mining Temporal Database of Valid-time Indeterminacy Based on Probability

基于概率的有效时间不确定的时态数据库挖掘

According to temporal effectiveness, DAIR can be divided into electronic publication, dynamic information, online library bibliographic database, online databases and special documents. From the five types of information, the paper has analyzed the utilization of DAIR both at home and abroad.

本文从网上出版物、动态信息、联机馆藏书目数据库、联机数据库和特色文献，这五方面入手，分析了国内外数字化农业信息资源的利用。

Secondly, after studying and comparing some temporal GIS data models which are widely used nowadays, a data structure for underground construction is put forward according to tunnel construction data and monitoring data. The temporal data classification and database is built.

在研究和比较目前几种常用的时态GIS数字模型后，针对隧道施工数据和监测数据的特点，提出了适合地下施工使用的数据结构，建立了时空数据分类和时态数据库。

The temporal coherence of HLR data: When the properties of HLR subscribers are changed, the relevant data in HLR database must the updated effectively in time.

HLR数据的时间一致性问题。当HLR签约用户的属性发生变更时，HLR数据库中相应的数据必须得到及时有效的更新；

According to the characteristics of customer's transaction database, a novel customer temporal sequence association rules mining method was proposed which was based on prefix projected accumulation tree.

针对客户交易数据的特点，提出了一种基于前缀映射累加树的客户时序关联规则发现方法。

Traditional data mining is working at relational database or transactional database, and is unable to reveal the meteorological information included in the spatial and temporal characteristics.

传统的数据挖掘是在关系数据库或事务型数据库中发现知识，无法揭示气象信启、中包含的时空特征。

A real-time multidatabase system provides a platform for integrating real-time data sources. It can not only process persistent data in traditional database systems, but also deal with temporal data in real-time systems.

实时多数据库系统提供了一个实时数据集成管理平台，它不仅可以处理传统数据库中的持久性数据，而且可以处理实时系统中的即时数据。