What is a web crawler?

? ? ? ? With the advent of big data era, the status of web crawler in the Internet will become more and more important. There are a lot of data in the Internet, so how to automatically and efficiently acquire the information we are interested in and use it for us is an important problem, and crawler technology is born to solve these problems.

? ? ? ? There are different types of information that we are interested in: if we are just doing search engines, we are interested in finding as many high-quality pages on the Internet as possible. If we want to capture data in a vertical domain or have a clear retrieval requirement, the information of interest is the information that is located according to our retrieval and requirement. In this case, we need to filter out some useless information.

? ? ? ? Web crawler, also known as web spider, web ant, web robot, etc., can automatically browse information in the network. Of course, browsing information needs to be carried out in accordance with the rules formulated by us, and these rules are called web crawler algorithm.

What is a tax web crawler?

? ? ? ? Tax web crawler is refers to the tax inspection in tax assessment on the basis of the development of web crawler, its function is according to certain rules and analysis purpose, automatically grab Internet + tax program or script, to obtain information on the taxpayer business activities, as a validation taxpayers legal compliance and authenticity to declare.

? ? ? ? The powerful function of the tax inspection web crawler lies in that it acts completely in accordance with the direction of the inspection instructions issued by the tax inspection. These crawlers can quickly capture the analysis results required by the tax inspection personnel and reflect the tax-related anomalies of taxpayers according to the requirements of the tax inspection.

What are the main functions of tax web crawler?

? ? ? ? First, expand information channels, introduce the network ‘crawler’ technology into the collection of tax-related information, timely capture the information disclosed by external websites related to enterprise capital operation activities, and enrich the case source clues;

? ? ? ? Second, precise work positioning, positioning the risk direction in the direction of verification, analysis method and index design targeted;

? ? ? ? Thirdly, it integrates multi-party information and introduces multi-party information as the main focus of information analysis.

? ? ? ? Fourthly, strengthen the application of information mining. The software focuses on establishing the corresponding relationship and articulation between various information sources to support the presumption and investigation of risks.

? ? ? ? Fifth, risk information reconstruction, sorting out the information of multiple investors, forming the control relationship network architecture diagram, reconstructing the complex capital operation behavior into a clear transaction trajectory, in order to accurately locate and discover the tax risks in these transactions.

conclusion

? ? ? ? To put it bluntly, the tax web crawler uses technical means to obtain various tax-related information published by taxpayers through public channels, and compares it with the tax payment information of enterprises to find out the enterprises with problems and focus on inspection.

? ? ? ? With the development of big data, more and more tax-related information will be obtained. Tax authorities are now constantly expanding the application of “Internet +”, for enterprises, compliance is the way to long-term.

Article source：Total bureau of wu of tax of