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Chapter 25 Big data catches thieves

"Uncle Quan."

"Yuanzi, are you here? Are you bringing fish with you?"

"We have a lot of fish there. I can't finish it all at home, so I'll give everyone a share."

"Haha. If you are interested, let me introduce you to these colleagues first."

"..."

After arriving at the township police station, the place was indeed depopulated. Except for the deputy director Wang Quan, there was only a male policeman in his forties named Liu Meng, and a policewoman in her thirties named Liu Yanyan.

.In addition, including the newcomer Li Yuan, there are only five zone defense players.

Since we have to be on duty at night, there is actually only one joint defense team member during the day today. He lives in Xiashan Township, and his name is Zhao Gan.

The conditions at the police station are quite poor. There are no motor vehicles at all, so you have to rely on two legs to go out. There are a few bicycles here, but they can't get the turn of the joint defense team. Especially the joint defense team has no uniforms at all, they are issued with a red sleeve band.

, it feels very irregular at first glance.

But having said that, the joint defense team's activity range is around the township government. You can hear everything with just one roar, and no transportation is needed.

During the patrol in the morning, Zhao Gan took the initiative to introduce his experience to Li Yuan: "Yuanzi, our biggest task now is to maintain stability. I hope nothing big happens. Let them know that we are patrolling, which can give the police station some face. This is the case every day

Just go around in a circle. There’s no need for more, we won’t be able to take care of it if it’s too much.”

Li Yuan immediately understood: "Just being a good scarecrow?"

"Haha! You are indeed literate and your summary is very insightful."

"What if something big happens?"

"Notify the criminal team of major cases. Our police station usually doesn't deal with them. The most troublesome ones are petty thefts. Just like when I went to the market a few days ago, it seemed that they knew there was a shortage of manpower here, and there were many three-handers on the street."

"Brother Dare, are there really so many thieves now?" Li Yuan took the initiative and offered a cigarette.

Zhao Gan took a breath of pleasure and said, "What day is there when there are not many thieves? The key is that we have to control the situation so that they don't dare to take action. In fact, the people at the police station and those who are habitual thieves are very familiar with each other. We are all familiar with each other.

Yes, there are plainclothes policemen from the bureau secretly trying to steal the police. But as everyone knows now, it is impossible to suppress the police just on the surface. There were four reports of crimes in the big gathering a few days ago, which caused a huge uproar. In the end, even the villagers

The chief came to the police station to pick up eggplants. He made a scene that was very embarrassing. But what can Lao Wang do?"

Li Yuan basically understood what he should do. It was nothing more than patrolling in the morning and deterring thieves on market days. At other times, he followed the arrangements of the police station.

To be honest, although it was a bit rushed, Li Yuan was still somewhat eager to try it in his heart.

Even in my previous life, I had no experience of the police station at all. It seemed quite mysterious. It seemed that everyone inside was a detective. But I never expected that they wanted to be a good scarecrow?

In fact, the work at the police station is more boring than imagined. The police still have some window affairs to handle. In addition to being on call, the joint defense team is also on call.

In this era, fights and disputes on the street are not reported to the police at all, and no one calls the police. They are usually resolved through negotiation. Family disputes are not even called to the police. That is a matter for community cadres or village cadres.

After noon, my balls ached even more when I was sitting in the police station. Fortunately, Zhao Gan smiled and comforted him: "Yuanzi, our work is like this. When we are free, we will be idle, and when we are busy, we will be busy. I will go and get a call first."

Take a nap, maybe something happened in the middle of the night?"

Had you known that this was the case? You should have brought those reference books with you and taken the time to study the soft exam and English.

Slowly, Li Yuan recalled the "Basics of Programming" he had reviewed a few days ago, and suddenly remembered big data. In his previous life, there was a project team's topic - big data to catch thieves.

It should be said that the subject was very funny and later became one of the classic jokes in the industry.

It’s not that there is no scientific basis for using big data to catch thieves. Through big data, we can study the behavioral trajectories of thieves, and analyze these three key points through areas with high incidence of thefts, the frequency of thieves’ crimes, and the usual places where stolen goods are sold, and there is a purpose.

To prevent, arrest and solve crimes.

Sounds good, right? But... the surveillance network all over the world has almost made the world free of thieves? Who would take off their pants and fart, and use big data to catch thieves?

In the end, the project team cried and fainted in the toilet.

But it’s not a project now, and Li Yuan is really feeling a little itchy. Anyway, he has nothing to do, so just design a big data algorithm on paper to catch thieves!

Now there are no computers around, and there are not so many programmers, so it is impossible to write a complete program. Then draw the most basic logical structure diagram. If you cannot calculate accurately, then use fuzzy mathematics to calculate an approximation. As for the lack of big data

Sample? This is a theoretical calculation, it doesn't matter if there is no sample.

No one thinks this thing can catch thieves, right?

Li Yuan actually regarded this as an intellectual game, similar to playing a Rubik's Cube. After more than two hours, he finally filled four pieces of paper and stretched out with satisfaction.

"Yuanzi, what are you writing? I see you have been busy for a while." Zhao Gan's voice suddenly came from behind him. He looked at the pieces of paper curiously, and he felt dizzy looking at the structural diagrams and mathematical formulas on them.

Eyes bulging.

"Oh, this is an auxiliary program for catching thieves. It is used on computers."

"Can a computer catch thieves? That thing is so advanced." Zhao Gan clearly didn't believe it.

Li Yuan didn't want to explain more. The concept of big data was too advanced, and Zhao Gan was still a complete layman.

"Brother Dare, I'm learning computer programming. I made this program out of boredom. Just treat it as an exercise. I can't guarantee whether I got it right or not."

"Doing exercises? That's okay." Zhao Gan was also interested. Now that the police were busy, he was equally idle, "Then let's try it and see what you do...that..."

"computer program."

"Yes. Is the computer program correct?"

Li Yuan felt funny in his heart, yes, there is a ghost. There is no computer programming, no computer running, just simple paper calculations with pen and paper. The error is conceivable, how can it be of practical value?

Anyway, it was just to kill time, and the two of them started talking nonsense.

Don't tell me, Zhao Gan is quite familiar with the news on the local road. Who are some habitual thieves? Where are the places where stolen goods are sold? What are their stealing habits, and whether they commit crimes in groups or alone? Do they like to touch bags or steal door-to-door?



Li Yuan filled those samples into the algorithm and calculated the results. The final accuracy rate... was less than 20%. And many of the results were incredible?

Seeing those rather ridiculous results, the two of them laughed repeatedly, and the laughter was endless...


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