Definition of Big Data. Big data, also known as the huge amount of information, refers to the amount of data involved in the scale is so large that it can not be achieved through the human brain or even mainstream software tools, in a reasonable period of time to capture, manage, process, and organize the information to help business decision-making for a more positive purpose. Characteristics of Big Data. Large amount of data, many types of data, the requirement of real-time, the value of the data hidden in the big. In all walks of life there is big data, but a lot of information and advice is complex, we need to search, processing, analysis, summarize, summarize the deep law.

So the era of big data is the era of information explosion, the widespread use of the network, people's behavior like Taobao, shopping, travel and so on, will produce a lot of data, and these data will be recorded and analyzed. The data is constantly expanding and becoming larger, these data on the production of enterprises, marketing and other important role, can help enterprises to seize the focus as well as diversion of products, can help enterprises in the explosion of data to find business opportunities, for enterprises to bring unlimited opportunities.

"Big data" in the Internet industry refers to a phenomenon in which Internet companies generate and accumulate data on users' online behavior in their daily operations. The scale of this data is so huge that it cannot be measured in g or t. How big is big data? A set of data called "A Day on the Internet" tells us that in a single day, the entire content generated by the Internet can be engraved on 168 million dvds; 294 billion emails were sent (equivalent to two years of U.S. paper mail); and 2 million community posts were sent (equivalent to 770 years of text volume in Time magazine). years worth of text).