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Big data, or big data, refers to information that is so large that it cannot be captured, managed, processed, and organized in a reasonable amount of time by current mainstream software tools to help businesses make more positive decisions.

Significance

Nowadays, the society is a high-speed development society, advanced technology, information flow, people's communication is getting closer and closer, life is getting more and more convenient, big data is the product of this high-tech era. Alibaba founder Jack Ma mentioned in his speech in Taiwan that the future era will not be the IT era, but the era of DT, which is Data Technology, showing that big data is pivotal to Alibaba Group.

Some people compare data to a coal mine that contains energy. Coal according to the nature of coking coal, anthracite, fat coal, poor coal and other classifications, and open-pit coal mines, deep mountain coal mines and different mining costs. Similarly, big data is not "big", but "useful". The value content and mining cost are more important than the quantity. For many industries, how to utilize this large-scale data is the key to winning the competition.