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数据仓库系统中一种改进的维层次聚集Cube存储结构

提出利用Cube中的维层次(dimensionhierarchy)聚集技术来创建高性能的维层次聚集Cube(dimensionhierarchyaggregatecube,DHAC).充分利用DHAC已保存的维层次信息,对Cube中多维数据的查询  (本文共7页) 阅读全文>>

《个人电脑》2005年08期
个人电脑

Cube 1000 MP3播放器

Cube(酷比魔方)1000是一款设计十分别致出众的MP3播放器,它没有使用MP3播放器惯用的外形设计——实...  (本文共1页) 阅读全文>>

《小型微型计算机系统》2005年12期
小型微型计算机系统

一种基于维层次聚集树的Cube增量更新算法

提出利用Cube中的维层次聚集树(d im ens ion h ierarchy aggregate tree,简称DHA_T ree)来对聚集Cube进行增量更新维护,在维层次聚集Cube中进行数据插入和删除等数据更新时,充...  (本文共5页) 阅读全文>>

《Aerospace China》2018年02期
Aerospace China

QB50 Project and the Development of Cube Sat Technology in China

The Cube Sat refers to the low-cost nano satellite produced by international standards. The QB50 project is "an International Network of 50 double Cube Sats for multi-point, in-situ, long-duration measurements in the lower thermosphere and re-entry research". There are 23 countries and region participated in the QB50 Project. 38 Cube Sats were developed and launched. Among them, four Cube Sats developed by Chinese un...  (本文共10页) 阅读全文>>

《Chinese Journal of Mechanical Engineering》2018年04期
Chinese Journal of Mechanical Engineering

Overview of Rubik's Cube and Reflections on Its Application in Mechanism

Rubik's Cube is a widely popular mechanical puzzle that has attracted attention around the world because of its unique characteristics. As a classic brain-training toy well known to the public, Rubik's Cube was used for scientific research and technology development by many scholars. This paper provides a basic understanding of the Rubik's Cube and shows its mechanical art from the aspects of origin and develop...  (本文共12页) 阅读全文>>

《东南大学学报(自然科学版)》2006年01期
东南大学学报(自然科学版)

高维层次聚集Cube并行创建与存储方法

提出一种将高维层次聚集Cube划分成若干个低维立方体M ini-Cube的并行创建与存储方法,利用并行处理技术来创建这些分割的分段共享M ini-Cube及其聚集Cuboids,...  (本文共5页) 阅读全文>>