For example, you want to buy a product recently, and then you look up a keyword on Baidu, JD.COM or Taobao. In fact, these behavioral data have been collected, because there are a lot of human behavioral data, and all the backstage needs to do a lot of data analysis, establish user portraits and use some recommendation algorithms, and then make personalized recommendations. When you log on to some websites, you will find some advertisements, some of which introduce just some products you want to buy.

2. Content recommendation

For example, if you brush today's headlines, the headlines will collect your reading behavior data, then build a portrait of your own users or people according to your preferences, and then introduce you to your favorite news. For example, if you click on James related news, you will be introduced to NAB related news. Because there are many headline users, the amount of data to be analyzed is very large, and everything must be handled with big data.

3. Catering industry

Video analysis of fast food industry. The company analyzes the length of the queue through video, and then actively changes the content of the electronic menu. If the queue is long, food that can be supplied quickly will appear; If the ranking is short, it will show those foods with higher profits but relatively long preparation time.

4. Application of educational category

Baidu brain PK human brain: big data betting college entrance examination composition questions. In order to help candidates better prepare for the exam, Baidu college entrance examination composition speculation is based on the original data and real-time updates of composition questions and model essays in the past eight years, massive annual hot word search, and news hotspots over the years. Real-time data Conduct in-depth excavation and analysis to? Probabilistic thematic model? Simulate human brain thinking, deduce the theme of the composition and related vocabulary in reverse, and guess the direction of the composition proposition for the candidates.

5. Medical category

Wisdom is a doctor. Huai 'an chose IBM mainframe as the infrastructure support of Huai 'an regional health information channel, which met the needs of Huai 'an in the construction of municipal regional health information channel infrastructure channel and residents' health file information system, supported a series of Huai 'an health information applications such as Huai 'an municipal data center and residents' health file database, and supported Huai 'an to become a national health information system. Smart medical care? A model.