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A literature review on the key technologies of processing big data

Firstly, this paper starts with the changes of the current social sectors in the Big Data era, and outlined the concept of Big Data. This paper focuses on the processing technology and processing tools about Big Data, mainly elaborate from four aspects, including the data preprocessing, data storage and management, data analysis and privacy protection. Finally, on the basis of the previous analysis, the trends of Big Data processing technology are given, which provides a reference for the research of Big Data processing technology.