Data screening method and device, and securitization loan screening method and device

A data screening and lending technology, applied in the field of data processing, can solve problems such as low efficiency, long time consumption, and large data transmission volume, and achieve the effects of less hardware resources, reduced process overhead, and small data processing volume

Active Publication Date: 2008-07-16
CHINA CONSTRUCTION BANK
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Using the method described above, the amount of data transmission is large, time-consuming and inefficient

Method used

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  • Data screening method and device, and securitization loan screening method and device
  • Data screening method and device, and securitization loan screening method and device
  • Data screening method and device, and securitization loan screening method and device

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Embodiment Construction

[0070] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0071] In real life, data records that meet certain requirements are often screened out from a large number of data records. The present invention provides a data screening method. First, pre-screening is performed to eliminate data records that do not meet the requirements, reducing the processing load when performing screening. ; Then, use the database query statement to process data records in batches to improve the processing efficiency; then, implement random distribution control to make the selection of screening records random; and implement concentration control to structurally control the screening results. The method can shorten the screening time, improve the efficiency of data screening, reduce the amount of data processing in the screening process, and the screened data records meet the requirements of randomness and concentrat...

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Abstract

The invention discloses a method for data sieving and is applied in the sieving of the data records in a database at least comprising a first data item, a second data item and a third data item. The invention comprises that: the pre-sieving is executed, the data records which can not meet the sieving requirement are get rid of to form a preselection base; the data records which meet the sieving conditions are sieved from the preselection base to form a candidate base; the content of the first data item used for random distribution control and the content of the second data item used for concentration degree control are extracted; the random distribution control is executed according to the content of the first data item, a data record is randomly sieved, then the concentration degree control is made to the data record according to the content of the second data item; if the record meets the requirement of the concentration degree, whether the content of the third data item of the data record meets the matching conditions is judged, if the content of the third data item of the data record meets the matching conditions, the data record is moved into a target database. The invention also provides a data sieving device as well as a sieving method and a sieving device for securitization loan. The invention has less time consumption and higher efficiency during the data sieving.

Description

technical field [0001] The invention relates to the field of data processing, in particular to a method and device for data screening, and a screening method and device for securitized loans. Background technique [0002] In real life, it is often necessary to select data records that meet the requirements from a large number of data records, so as to classify, summarize or perform other follow-up processing on the screened data. For example, from the database that records the final exam results of various subjects, students with English scores greater than 60 points are screened out; from the employee database of a company, the employees who are rated as excellent at the end of the year are screened; or from the bank's loan database. Loan history of securitization conditions, etc. [0003] In an existing data screening method, all the records in the database are extracted to the application program, and then judged one by one to find the data records that meet the requirem...

Claims

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Application Information

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IPC IPC(8): G06F17/30G06Q40/00G06Q40/04
Inventor 梁东邱昆王步锋郭红军黄辉霍成孙延凡李金波黄耀奇张佩
Owner CHINA CONSTRUCTION BANK
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