To do this, servers have the concept of a "session," which is a collection of data associated with a single user's interactions with the site.

为此，服务器使用“会话”的概念，会话是与单一用户的站点交互相关联的数据集合。

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WHO has developed standardized protocols for data collection and reporting in real-time, and will communicate findings to the international community via its web site.

WHO对资料收集和即时报告制定了标准协议，并利用它的网站向国际社会交流调查结果。

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Using data gleaned from its 7 million members, dating site OkCupid has discovered these correlations, among lots of others, and published them in a collection of highly revealing charts.

约会交友网站OkCupid利用来源于7百万用户的数据研究发现：在很多用户之间存在着相关性，并在收集了他们的高度关联特征后将结果公布出来。

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So when it comes to estimating economic impact for sporting events, best to show caution and restraint, and ultimately attempt to verify any public statements with market research vis-a-vis on-site data collection so that you have a leg to stand on when reporting such figures.

FORBES: Educating Sports Commissions and CVBs About the Economic Impact of Sports

This study, which is entitled Shari'a and Violence in American Mosques, involved the collection of empirical data through repeated on-site investigations over several years.

CENTERFORSECURITYPOLICY: Center For Security Policy

To make data collection on these strikes even more difficult, diplomatic cables released by the transparency watchdog site WikiLeaks revealed that the Yemeni government has sometimes taken credit for airstrikes that were in fact being carried out by the United States.

CNN: Obama ramps up covert war in Yemen