1, to help the government to achieve market economic regulation, public **** health and safety prevention, disaster warning, social opinion supervision;

2, to help cities to prevent crime, to achieve intelligent transportation, and to enhance the emergency response capacity;

3, to help medical institutions to establish disease risk tracking mechanism for patients, to help pharmaceutical companies to improve the clinical use of drugs, to help AIDS research institutions to provide patients with customized drugs;

4. Help airlines save operating costs, help telecommunication companies to achieve after-sales service quality improvement, help insurance companies to identify fraudulent insurance fraud, help courier companies to monitor and analyze the failure of the transport vehicle risk in order to provide early warning and maintenance, and help electric power companies to effectively identify and warn of equipment that is about to malfunction.

Unified cognition of big data, it is necessary to comprehensively and meticulously decompose it, proceeding to unfold from three levels:

The first level is the theory, the theory is a necessary way of cognition, but also is widely recognized and spread the baseline. Here from the definition of the characteristics of big data to understand the industry's overall portrayal and characterization of big data; from the discussion of the value of big data to y analyze the preciousness of big data; insight into the development trend of big data.

The second level is technology, which is the means to realize the value of big data and the cornerstone to move forward. Here respectively from the cloud computing, distributed processing technology, storage technology and perception technology development to illustrate the big data from the collection, processing, storage to the formation of the results of the whole process.

The third level is practice, and practice is the ultimate value of big data. Here from the Internet of big data, government big data, enterprise big data and personal big data, respectively, four aspects to depict the big data has shown a beautiful scene and the blueprint will be realized.

Baidu Encyclopedia - Big Data