大约从2009年开始,“大数据”成为互联网信息技术行业的流行词汇。据统计,全球互联网上的数据每年将增长50%,每两年便将翻一番,而除了互联网上发布的信息外,各种媒介都在同时传递着海量的数据信息。于是,“大数据”就有了不同寻常的商业价值:掌握庞大的数据信息,并于对这些含有意义的数据进行专业化处理。换言之,如果把大数据比作一种产业,那么这种产业实现盈利的关键,在于提高对数 About 2009, Big Data has become a popular word in the Internet information technology industry. According to statistics, the data on the global Internet will increase by 50% every year, and will double every two years. In addition to the information published on the Internet, various media convey massive data information at the same time. As a result, Big Data has unusual business value: mastering vast amounts of data and specialized in these meaningful data. In other words, if big data is likened to an industry, the key to making such an industry profitable is to increase the number of pairs