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- A crucial problem that needs to be solved for normalization of temporal databases is to compute the finite closure of attributes for TFDs. 时态模式规范化所要解决的一个关键问题是求解时态函数依赖的有限属性闭包问题.
- In this paper, problems of handling time imprecise in temporal databases are discussed and the representations of imprecise time intervals are presented. 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。
- Research on Techniques of Temporal Databases Based on CPR 基于电子病历的时态数据库技术的研究
- As a front-end of commercial DBMS, TimeDB, which is a successful prototype of temporal database management system, basically realizes the managements of temporal data. 作为商业DBMS的前端构件，TimeDB基本实现了时态数据管理功能，是比较成功的时态数据库管理原型系统。
- The paper briefly introduce the production, development and the application prospect of TGIS, elaborates the concept of temporal database and educe the bitemporal theory. 本文简要介绍了时态GIS的产生、发展及应用前景,阐述了时态数据库的概念,引入了双时态理论。
- SAILII is a spatio-temporal DBMS and preferably implements the theory, technology and mechanism of integration of temporal database and spatial database. SAILII原型系统作为一个时空数据库管理系统,较好地集成了时态数据库和空间数据库的理论、技术和机制。
- The word is a temporal conjunction. 该词是表示时间的连词。
- The Pope has no temporal power in modern society. 教皇在当代社会没有世俗方面的权利。
- Comparison of Temporal Query Approaches between Data Warehouses and Temporal Databases 数据仓库和时态数据库时态查询的方法比较
- "When" is a temporal conjunction. "when"是一个时间连接词。
- spatio - temporal database 时空数据库
- The church have no temporal power in the modern state. 教会在现代国家中不掌握政权。
- In this paper,the question of event temporality were discussed in active temporal database under the presupposition of temporal consistency. Then temporal relation of composite events and Allen relation between arbitrary two events were dealed with too. 在事件时态一致性的前提下详细讨论了主动时态数据库中事件的时态问题;给出了复合时态事件的时态关系以及任意两个事件之间的allen关系.
- A Tansel，J Clifford，S Gadia，S Jajodia，Segev and R Snodgrass.“Temporal Databases，-Theory，Design and implementation”[M]， The Benjamin：Cummings Publishing Company，1993 主要代理已被中国知网全文收录的核心期刊，国家级、省级重点期刊的学术论文征稿。全程代理论文发表，提供写作指导，按杂志社要求前期审稿。
- Objective:To explore the spatio temporal epidemic dynamic of haemorrhagic fever with renal syndromes ,HFRS). 目的:探讨肾综合征出血热时空流行动态的分型特征。
- Most login forms use databases or resource files. 很多注册窗体使用数据库或者源文件。
- Back up the instance and application databases. 备份实例和应用程序数据库。
- Back up the transaction log for all the databases. 备份所有数据库的事务日志。
- Do not open databases with old file formats. 不打开具有旧文件格式的数据库。
