大数据将开启一次重大的时代转型,并给社会带来颠覆性的影响近两年,“大数据”无疑是IT领域最火热的关键词。到底何为“大数据”?与传统数据相比,大数据的特征体现为:数据量更大;数据结构更复杂;可以通过技术准确挖掘数据价值;拥有更快速的数据处理能力。以往人们获得数据的方式主要是依靠抽样,先用统计学的方法获得数据样本,再将数据存储 Big data will open a major era of transformation and bring disruptive impact on society In the past two years, “big data” is undoubtedly the hottest keyword in IT field. In the end what is “big data”? Compared with the traditional data, big data features are: a larger amount of data; data structure is more complex; can accurately tap the value of the data through technology; with faster data processing capabilities. In the past, people mainly rely on sampling methods to obtain data, the first statistical methods to obtain data samples, and then data storage