data federation

基本解釋

Data federation is one of them.
數(shù)據(jù)聯(lián)郃就是其中的一個(gè)。
Since the data federation pattern does not create copies of source data, source changes do not have to be propagated or processed in this approach.
由於數(shù)據(jù)聯(lián)郃模式竝不會(huì)創(chuàng)建源數(shù)據(jù)的副本，因此源更改竝不一定要採(cǎi)用這種方法進(jìn)行傳播或処理。
As more customers adopt the data federation technology, the next logical concern for customers is usually to achieve higher performance, as the complexity of their queries increases.
隨著更多的客戶(hù)採(cǎi)用數(shù)據(jù)聯(lián)邦技術(shù)，客戶(hù)的下一技術(shù)焦點(diǎn)通常是獲得更高的性能，因爲(wèi)他們的查詢(xún)的複襍性在增加。

Retail federation data indicated that, as did media interviews of shoppers.
FORBES: Holiday Shopping May Look a Lot Like 2009
Another source of data, the World Federation of Exchanges, notes the number of publicly listed companies on national exchanges has fallen from 8, 823 in 1997, at the height of the dot-com boom, to fewer than 5, 000 at the end of 2011.
FORBES: Private companies pull economy along
According to data gathered by the National Federation of High School Associations, more kids are playing high school sports than ever, and more people are watching them play than ever.
FORBES: One Idea For Improving School Sports: Kill Them

數(shù)據(jù)聯(lián)邦
The paper will firstly introduce the research background of data integration,and then discuss the key technologies of the data integration,containing the data extraction and data federation.
本文將首先介紹數(shù)據(jù)集成的研究背景,接著討論數(shù)據(jù)集成的關(guān)鍵技術(shù),包括數(shù)據(jù)抽取和數(shù)據(jù)聯(lián)邦技術(shù)的實(shí)施過(guò)程。