Data analysis of the internet in the nude era dig deep into commercial treasures

A story: At the beginning of the credit card, bankers believe that the police credit is the highest, the teacher is the second, the businessman is the worst. But when banks accumulate more and more data on their consumption and repayment, the analysis results are unexpected.

The initial conclusion was almost completely overturned: The police's credit is the worst, the teacher repayment is the most timely, but the consumption bias rationality is very few overdraft, but the businessman credit is centered, but to the bank profit contribution rate is highest. The answer to who is the best credit card customer is out of the question.

Of course this is just a joke. The only way to judge a single dimension of occupation today is to be highly discredited by bankers. They need to get you more information in order to better suit the right remedy.

At this point, http://www.aliyun.com/zixun/aggregation/3518.html "> Internet company. As long as you surf the Internet, your browsing record, outgoing whereabouts, jump trajectory, friend relations, purchase records, payment situation ... Will be a dense data records down, on the internet, who do not know the opposite sitting is a person or a dog, and unknown you, no fig leaf.

Seems a little alarmist. In fact, the day you become their users, whether you look at the long and obscure privacy policy, after you click "Next", they will get the authorization to use your data, and the confidentiality principle is within the limits of the law. After that, don't you find it more and more convenient for you to use the Internet? Even the convenience is a little magical.

You will find that Weibo is becoming more and more familiar to you, and it gives you the people you recommend getting closer to your offline circle; e-commerce website also more and more understand you, you do not have to worry about how to find the right product, and even you will find that some of the recommended goods than you originally wanted to buy more suitable for you; you just saw a nice video recommendation in Youku, At the next site, you may be subject to promotional messages that push this disc ...

The secret combination.

Who's behind the scenes? In your opinion spam information, someone treats it as a treasure, processing, analysis, integration, garbage information into the treasure, produce value, or two times for sale or left for personal use. This is data mining and analysis, which is almost what every internet company has to do since the day it was born.

In general, a single message (excluding VIP-style exclusive services) is meaningless, as long as the integration, through a special algorithm to match to get the closest to your needs of the service, and precision is the biggest driver you pay for it.

There are two levels of problems involved. One is the collection, mining, and analysis of the data you contribute to, and the other is, what can you do with these "knowledge" to make money quickly after you have the overall characteristics of your "you"? This is the "secret" that data engineers are tight-lipped about.

The almighty data doesn't exist.

Data is by no means omnipotent. For example, a news portal, based on your history, analyzes the pages you browse, the time you stay, and your potential interests and hobbies. However, this is not sustainable, living people, always smart changes, if the site to your targeted release, you may be happy today is more than the patience of the mouse to move to the upper right corner of the point of the fork.

So, backstage those who spend all day figuring out how to dig your needs from your behavioral trajectory of the engineers, to rack their brains to adjust the assumptions, correction algorithm. Just look at an internet company's basic form of data collection that can be broadly aware of the company's data-deposition and data-application levels.

Of course, even if they have a powerful algorithm, but also to work you continue day after day to browse the Web page, to make friends to communicate, to sign in, to the next single shopping! Their network is all you have.

(Responsible editor: The good of the Legacy)