Method and system for detecting data timeliness

A technology for detecting data and timeliness, applied in the field of big data, which can solve the problems of inaccuracy and unavailability of timestamps

Active Publication Date: 2017-01-25
GUOXIN YOUE DATA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even when timestamps exist, these timestamps are often unavailable or imprecise due to lack of timely and effective maintenance or data integration of the data and due to lack of consistent timestamps some data is copied or imported from other data sources

Method used

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  • Method and system for detecting data timeliness
  • Method and system for detecting data timeliness
  • Method and system for detecting data timeliness

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Embodiment Construction

[0061] Timeliness is the relationship between the time interval represented by the calculation data and the time when the data is provided. The larger the time range of data recording and the closer to the current time, the higher the value of the data. The present invention proposes a way to evaluate data value from the perspective of data structure timeliness, which provides a certain basis for data pricing and data transactions. Folder, which contains files of various data types, such as JSON, pictures, video, audio and so on, how to measure the timeliness of the files is the main problem solved by the present invention.

[0062] The timeliness of data is one of the important factors affecting data quality. Data with poor timeliness will have many adverse effects on corporate decision-making and people's daily life, which makes it necessary to determine the timeliness of data. Data timeliness means that data has great differences in nature at different times. We define th...

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Abstract

The invention provides a method for detecting data timeliness. The method comprises the following steps that a data file to be evaluated is collected through web crawlers; whether a data file has a time recording field or not is checked; if the data file has the time recording field, the time range of the data file is counted, and a timestamp of the data file is obtained; the timeliness of the data file is processed through the preset processing method. The data timeliness can be judged, and therefore the evaluation reference basis is provided for data value evaluation.

Description

technical field [0001] The invention relates to the field of big data, in particular to a method and system for detecting timeliness of data. Background technique [0002] The timeliness of data is common in various practical applications and is one of the important factors affecting data quality. As time goes by, data quality will decline rapidly. According to statistics, about 2% of customer information in commercial databases will become obsolete within a month, that is, within 2 years, there will be nearly 50 % of records had their availability impacted because they were outdated. When making business decisions, companies often make wrong decisions by using outdated data, not to mention incomplete or erroneous data. In daily life, the bank may send the credit card statement to the old address before the holder moved. Poor quality data causes economic losses of up to 600 billion US dollars to the United States every year, and poor timeliness is one of the main culprits...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/9032G06F16/951
Inventor 孙玉权张斌德
Owner GUOXIN YOUE DATA CO LTD
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