historical database meaning in English
历史数据库
Examples
- When first evaluating the market , information is linked to a historical database of previous performance releases in international markets
首先在市场评估的时候，相关信息都和一个关于电影在国际市场上的票房业绩的历史数据库挂钩。 - In order to provide the foundation for quantitative software management , the running model of historical database is established based on software metrics technology and cmm level four
首先在软件度量技术和cmm已管理级的基础上建立了历史数据库运作模型，为量化软件管理提供了基础。 - The system uses the sdt algorithm to compress the process data and then saves it to the historical database . the concurrence of relative error is maintained under an acceptable level . it has obtained the satisfactory compression effect and enormously reduced the data storage space
系统采用旋转门压缩算法,将过程数据压缩后存储于历史数据库,压缩后的重现数据保持较小的相对误差,取得了满意的压缩效果,极大减少了数据的存储空间。 - Today , the main data source of data mining is historical databases which mainly include text and numerical data . the data mining on multimedia data on www , specially , image and video , lacks enough research . this paper discussed some basal problems about multimedia , including definition , theories and technologies that multimedia data mining needs , system structure and model
本文首先简单阐述了数据挖掘和知识发现的基本理论；然后分析了网络信息检索与挖掘的特征，特别是web数据挖掘和基于内容的多媒体检索；进而探讨了www上基于内容的多媒体数据挖掘的一系列基本问题，包括定义、挖掘对象的特征与分类、挖掘和发现所需的理论和技术以及系统的框架结构和功能模块的分析与设计等，力图为该方向的深入研究提供一些有益的思路。