ff928931__Data_Is_to_Produce_Small_Data__Big_Data
[0] Data Preparation [Small Data] In many cases, the data user prepares her own data, for her own purposes. [Big Data] 
The data comes from many diverse sources, and it is prepared by many people. People who use the data are seldom the people who have prepared the data.
The Most Common Purpose of Big Data Is to Produce Small Data
Big Data