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Internet of Things data filling method, device and system

A technology of Internet of Things and Internet of Things equipment, applied in the field of Internet of Things, can solve the problems of heavy data center processing load, large amount of Internet of Things data, and low data filling efficiency, so as to improve efficiency, realize real-time filling, and reduce dependence.

Pending Publication Date: 2019-08-09
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, due to the large amount of data in the Internet of Things, the existing data filling schemes have problems such as low data filling efficiency and heavy processing burden in the data center.

Method used

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  • Internet of Things data filling method, device and system
  • Internet of Things data filling method, device and system
  • Internet of Things data filling method, device and system

Examples

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Embodiment approach

[0058] Method A, when using candidate data items to fill missing data items, the average value of candidate data items can be obtained, and the average value can be used as the filling value of the missing data item, and added to the missing data item to obtain the filled data sequence.

[0059] Method B, when using candidate data items to fill missing data items, the maximum value of the candidate data items can be obtained, and the maximum value can be used as the filling value of the missing data item, and added to the missing data item to obtain the filled data sequence.

[0060] Method C, when using candidate data items to fill missing data items, the minimum value of the candidate data items can be obtained, and the minimum value can be used as the filling value of the missing data item, and added to the missing data item to obtain the filled data sequence.

[0061] In some exemplary embodiments, the data items in the data sequence collected by the IoT device 103 inclu...

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PUM

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Abstract

The embodiment of the invention provides an Internet of Things data filling method, device and system. In the embodiment of the invention, the method comprises the following steps of: during data acquisition process, according to missing data items in a collected data sequence and a clustering result of the non-missing data item nearby the missing data items, selecting the proper candidate data item to fill the missing data item so that real-time filling of the missing data can be achieved, dependence on a data center can be reduced, and therefore the data filling efficiency can be improved.

Description

technical field [0001] The present application relates to the technical field of the Internet of Things, and in particular to a data filling method, device and system of the Internet of Things. Background technique [0002] In the Internet of Things (IoT) era, the data collected by external sensors and the IoT data generated by the device itself are continuously uploaded to the cloud data center. The data center can perform various analysis and processing on IoT data, such as modeling, pattern recognition, etc., to extract more valuable information from it. [0003] In the process of data collection, data may be lost due to various factors, forming missing data (missing values). Missing data will affect the data analysis process, such as stagnation of the data analysis process, abnormal results, etc. In the existing technology, after the IoT data is uploaded to the data center in the cloud, the data center will fill in the missing data, and then analyze and process the com...

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Application Information

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IPC IPC(8): G06F16/215H04L29/08
CPCH04L67/12G06F16/215
Inventor 李锐史睿雄吴云崇杨斌闵万里
Owner ALIBABA GRP HLDG LTD