Big data is a widely used term but, as is often the case, one that means different things to different people. In this part of the chapter, we present common characteristics of big data .
There is no doubt that today there is a lot of data, and more commonly today, the term big data is not meant to reference the volume as much as it is characterized by other factors, including variability so wide that legacy, conventional organizational data systems cannot consume and produce analytics from it.