The first year of big data 20 13. Data is resources, and information explosion promotes media transformation. Big data is not a new concept, but the era of big data is accompanied by the explosive growth of 20 13 information.

Bigdata, an IT industry term, refers to a collection of data that cannot be captured, managed and processed by conventional software tools within a certain time range. It is a massive, high-growth and diversified information asset, which needs a new processing mode to have stronger decision-making power, insight and discovery ability and process optimization ability. In the era of big data. Cuhk data means that all data are used for analysis and processing, and there is no shortcut to random analysis (sampling survey). 5V characteristics of big data (proposed by IBM): volume (mass), speed (high speed), diversity (diversity), value (low value density) and authenticity.