Big data is a field that treats ways to analyze, systematically extract information from, or deal with data sets that are too large or complex to be dealt with by traditional data-processing application software. Big data technology refers to the ability to efficiently obtain valuable information from various types of data. Technologies applicable to big data include Massively Parallel Processing (MPP) databases, data mining grids, distributed file systems, distributed databases, cloud computing platforms, the Internet, and scalable storage systems.
The emergence of big data increases the demand for information management experts. Analyzing big data enable retailers to grasp instant market changes and respond quickly to dynamics. Merchants can formulate more precise and effective marketing strategies, providing their customer with timely and personalized services. In the medical field, diagnosis accuracy and drug effectiveness can be improved. In view of public utilities, big data has also played an inevitable role in promoting economic development and maintaining social stability.