大数据研究综述

Overview of Big Data Research

2010年,全球数据量跨入了ZB时代,据IDC预测,至2020年全球将拥有35ZB的数据量,大量数据实时地影响我们工作、生活,甚至国家经济、社会发展,大数据时代已经到来。大数据具有数据量巨大、数据类型多样、流动速度快和价值密度低的特点,大数据技术为我们分析问题和解决问题提供了新的思路和方法,其研究渐渐成为热点。阐述了大数据的相关概念、特点、大数据技术特别是在数据挖掘方面国内外发展状况以及我们在大数据时代面临的挑战。通过综述,对大数据有一个全面的认识,为下一步研究打下基础。

In 2010,the quantity of data reached ZB level.According to IDC,there will be at least 35 zettabytes of stored data in 2020.Massive data are affecting our life,even the economy and the development of the society.The Big Data era has already come.There are four defining characteristics of Big Data: volume,variety,velocity and value.It is often referred to them as 'the 4Vs'.The Big Data technology will offer new ideas and methods,which is becoming popular.Introductions to Big Data and Big Data technology with particular emphasis on Data Mining were given.There will be a comprehensive understanding of Big Data and lay a foundation for further study.