Traditional Culture Encyclopedia - Photography major - What is big data technology?
What is big data technology?
The amount of data is large. The first feature is a large amount of data, including collection, storage and calculation. The starting unit of big data measurement is at least P( 1000 t), E (1 100t) or Z (1 100t).
There are many varieties. The second feature is the diversity of types and sources. Including structured, semi-structured and unstructured data, which are embodied in network logs, audio, video, pictures, geographical location information and so on. All kinds of data put forward higher requirements for data processing ability.
Low value density. The third feature is that the data value density is relatively low, or it is precious to wash sand in the waves. With the wide application of the Internet and the Internet of Things, information perception is everywhere, with a huge amount of information, but low value density. How to combine business logic and powerful machine algorithms to mine data value is the most important problem to be solved in the era of big data.
Fast, fast. The fourth feature data has fast growth speed, fast processing speed and high timeliness requirements. For example, search engines require users to query news a few minutes ago, and personalized recommendation algorithms require real-time recommendation as much as possible. This is a remarkable feature that big data is different from traditional data mining.
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