本文给出了一个时态数据库模型GT。
论文讨论了时态数据库的逻辑设计过程。
The logical design of temporal database is discussed in this thesis.
本文重点介绍了适合于时态数据库的时态关系代数。
It discuss the temporal relation algebra operations fit to temporal database.
在许多时态数据库应用中，都存在着涉及多时间粒度的约束。
Constraints involving multiple time granularities exist in many temporal database applications.
采用时态数据库对不同时期的研究生信息及研究生规则进行管理。
In this paper, temporal database is used in management of postgraduate information and rules at different times.
OracleFlashBack是另一个时态数据库产品，支持记录时态特性。
Oracle FlashBack is another temporal database product that supports the record-temporal feature.
在时态数据库中，时间粒度是衡量时态数据的单位，通常用时态类型来表示时间粒度。
In the temporal database, temporal granularity is the unit for measuring the temporal data.
事件发生使得系统状态进行转移 ，事件历史中事件变更对时态数据库具有很重要影响。
The event modification in the event history has the important influence on the temporal database.
讨论了时态数据库处理不明确时间存在的一些问题，并给出了描述不明确时间间隔的方法。
In this paper, problems of handling time imprecise in temporal databases are discussed and the representations of imprecise time intervals are presented.
为了实现时态数据库管理系统，除了数据模型之外，还需要有一个时态数据库的查询语言。
In order to implement a temporal database management system, we have to set up a query language for the data model.
时态数据库扩展了传统的关系数据库，其中一个重要的扩展就是对于时态聚集查询的支持。
Temporal database systems extend traditional relational database systems. One important such extension is to support time-varying aggregation.
HBASE是一个时态数据库管理系统原型，它的SQL解释器是用面向对象的方法实现的。
Hbase is a Prototype of Temporal DBMS. Its SQL Interpreter is Implemented by OOP Method.
土地利用时态数据库能有效地管理增量数据，按“图元流动”的方法可实现土地利用数据的历史回溯。
Temporal database of land use was used to manage increment data in effect and to retrieve the historical data of land use by the method of plot flow.
沉陷地土地资源信息随着煤炭的开采而不断变化，所以，矿区土地复垦空间数据库是一个时态数据库。
The spatial information database of land reclamation is a temporal database due to the change of land resource with the coal mining.
目前还没有商品化的时态数据库产品出现，因此研究基于主流的商品化数据库管理系统的时态数据库设计方法具有重要的实际意义。
As there is no commercial temporal database management system, the research on temporal database design methodology based on mainstream database management system has practical significance.
Erwin讨论了在领域模型中实现双时态(bi - temporality)的设计选择：使用一个时态数据库(temporal Database)或编写自己的代码。
Erwin discussed the design options for implementing bi-temporality in domain models by using a temporal Database or writing custom code.
根据时态数据库的原理，提出了通过中间件TDBASE和非时态数据库管理系统交互实现时态处理的设计思想，描述了TDBASE所支持的时态语法和TDBASE的实现过程。
According to the theory of temporal database, a design idea of realizing temporal dispose by communicated between TDBASE, a temporal disposal middleware, and non-temporal DBMS is offered.
TimeDB是一个开源时态关系数据库产品。
TimeDB is an open-source temporal relational database product.
IBM的方法有望成为数据库中的标准，SQL标准的下一个版本将包含时态功能。
IBM's approach is expected to become the standard among databases, and the next edition of SQL standard will include temporal functionality.
关系数据库如Oracle或MicrosoftSQLServer是无时态的。
Relational databases such as Oracle or Microsoft SQL Server are non-temporal.
时空数据库管理系统是能够同时处理时态数据和空间数据的数据库管理系统。
Spatio-temporal database management system is a kind of DBMS that can deal with both spatial and temporal data.
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。
In spatiotemporal database, geographic entity model includes spatial and temporal information of geographic object.
提出了一种基于时态的数据库系统的基本结构，减少数据冗余。
The thesis introduces a structure of database system based on time, which reduces the data redundance.
该文针对网管告警数据库中时间序列存在的连续性、不确定性和模糊性问题，提出了一种基于时态关联规则挖掘告警库的新方法。
For the problems of continuity, uncertainty and fuzziness in the time-series of the network management alarm database, this pa-per puts forward a new mining method based on time-series rules.
目前实时数据库中的事务调度算法大多仅考虑数据的逻辑一致性，而忽略了满足时态的一致性。
However, almost all of the current transaction scheduling algorithms only take logic consistency of object into account, while ignoring temporal consistency.
周期模式主要是研究时序数据库中的循环特性，是时态数据挖掘的一个重要的研究方向。
Periodicity mining is the mining of periodic patterns, that is, the search for recurring patterns in time-series database.
在系统中引入时态数据类型，使得在关系数据库系统中能对时态数据信息进行方便有效的管理。
Adding temporal data type to system, the temporal data can be managed conveniently and effectively in relational database system.
时空数据库管理系统是能够同时处理时态数据和空间数据的数据库管理系统。
Spatio-temporal database management system (STDBMS) is a kind of DBMS that can deal with both spatial and temporal data.
文章总结了时态GIS的研究现状，介绍了时间数据库与时空数据库的概念以及类型。
In this paper, Authors sum up the actuality of Temporal GIS, and introduce the conception and the type of Time Database and Space-Time Database.
文章总结了时态GIS的研究现状，介绍了时间数据库与时空数据库的概念以及类型。
In this paper, Authors sum up the actuality of Temporal GIS, and introduce the conception and the type of Time Database and Space-Time Database.
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