Multi-dense-block detection and extraction method for big data
An extraction method and big data technology, applied in the direction of digital transmission system, electrical components, transmission system, etc., can solve the problems of low detection accuracy and recall rate, and achieve the effect of improving accuracy rate and recall rate
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[0038] The technical solutions of the present invention will be further described below with reference to the drawings:
[0039] The present invention proposes a multi-intensive block detection and extraction method of large data, such as figure 1 , 2 As shown, the specifically includes the steps of:
[0040] Step A. Get a K-dimensional sheet data D, the specific operation includes 4 steps: 1, data integration, integrated with ETL technology into the designated data center; 2. Data desensitization, will be produced by desensitizing technology Sensitive information (such as ID card number) in the environment performs desensitization processing; 3, data cleaning, cleaning the desensitized data to ensure accuracy, consistency; 4, data pretreatment, The relational data is modeled, converted to K-axle data D.
[0041] Manually set the number M and intensive block size range [min, max], min, MAX is the size limit of the dense block size.
[0042] Step b, use the density tracking coeffic...
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