Defining Big Data

Zhu Yangyong1,2, Xiong Yun1,2
1. School of Computer Science, Fudan University, Shanghai 201203, China;
2. Shanghai Key Laboratory of Data Science, Fudan University, Shanghai 201203, China



Data, technology, and application were regarded as three associated key factors of big data by analyzing the state-of-the-art of big data. A comprehensive definition on big data was defined as the umbrella of big data set, big data technology, and big data application. Here, big data set means all data that can be acquired and were related to one decision-making application instead of all data in an area or an enterprise. In addition, the issues in big data applications and the main challenges in big data technologies were discussed. Finally, the future directions of big data research were presented including data science and the technologies of big data reservation and development.


big data, data science, data nature



Zhu Y Y, Xiong Y. Defining big data. Big Data Research, 2015007


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