“Big Data”, also known as “Big Data”, refers to a large amount of unstructured or structured data obtained from a variety of sources.
The main concept of “Big Data” comes from the fact that it has been used over the past decade to unify data analysis, business intelligence and statistical applications within enterprises.
Generally speaking, Big Data has the following characteristics:
The above three characteristics are called “3V”. After 3V became the main definition of big data, with the cost of storing data decreasing and the cost of acquiring data decreasing, big data developed a fourth characteristic: Veracity, which means that in addition to the amount of data, it is also necessary to confirm the authenticity of the data, and after filtering out the untrue data and anomalous values, the results of the analysis can achieve the purpose of accurate prediction.