韩蒙:大家晚上好!十分感谢大家在这个寒夜来到这里一起讨论“大数据”这个话题。大家都已经注意到了,进入2012年以来,大数据(BigtData)一词越来越多地被提及与使用,人们用它来描述和定义信息爆炸时代产生的无法用传统数据库抓取、管理和处理的数据集合,并初步总结出大数据的四个特征(4V),即Volume(数据量大);Variety(数据类型多样);Value(价值密度低);Velocity(速度快实效高)。 Han Meng: Good evening everyone! Thank you very much for coming here to discuss this “big data ” topic on this cold night. We all have noticed that since 2012, the term Big Data has been increasingly mentioned and used. People use it to describe and define information that can not be crawled by traditional databases during the information explosion era. Management and processing of data sets, and initially summed up the four characteristics of big data (4V), Volume (large amount of data); Variety (data types); Value (value of low density); Velocity (fast and effective) .