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Public source position check-in data quality analysis method

A technology of data quality and analysis methods, applied in the field of surveying and mapping, can solve the problems of low efficiency, time-consuming and laborious, and the current situation cannot meet the overall needs of location services and industrial GIS applications.

Inactive Publication Date: 2013-06-26
WUHAN UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] Traditional POI updates mainly rely on manual on-site collection and warehousing. Like other types of GIS data, they are mainly collected and managed by professional surveying and mapping departments. need

Method used

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  • Public source position check-in data quality analysis method
  • Public source position check-in data quality analysis method
  • Public source position check-in data quality analysis method

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Embodiment Construction

[0035] The technical solution of the present invention will be described in detail below in conjunction with the drawings and embodiments.

[0036] The present invention uses the current social network with a large number of user participation as a data platform, and proposes an analysis method for the quality of check-in data of crowd-sourced locations.

[0037] please see figure 1 , the process of this embodiment specifically includes the following steps:

[0038] Step 1: Perform preprocessing of crowd source location check-in data;

[0039] This step further includes the following sub-steps:

[0040] Step 1.1: Crop the crowd-sourced check-in data according to the coverage of the standard POI data, and remove the crowd-sourced location check-in data outside the coverage area of ​​the standard POI;

[0041] Step 1.2: Set a threshold for the number of check-ins for the crowd-sourced location check-in data, and remove the crowd-sourced location check-in data whose number of ...

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Abstract

The invention relates to the technical field of surveying and mapping, and in particular relates to a public source position check-in data quality analysis method. The method comprises the following steps of: step one, pre-processing the public source position check-in data; step two, geographically registering the public source position check-in data and evaluating the integral positioning accuracy; step three: performing the public source position check-in data matching and modeling; step four, evaluating the class accuracy of the public source position check-in data; and step five, evaluating the positioning accuracy of the public source position check-in data. The more detailed public source position check-in data quality analysis method, process and standard are disclosed by the invention, the basis for realizing convenient, fast and efficient POI (point of interest) update by adopting public source position check-in data for breaking through the original manual field visit of the POI is laid, and the problem that the POI obtaining cannot satisfy the industrial field requirement of the society and LBS (location based service) is solved.

Description

technical field [0001] The invention relates to the technical field of surveying and mapping, in particular to a method for analyzing the quality of crowd-sourced location check-in data. Background technique [0002] With the increasing maturity and popularity of Web2.0 technology, LBS (Location Based Service, location-based service) has become one of the fastest-growing technology applications. Location-based service is a relatively mature and popular geographic location service business. With the rapid development of LBS, its requirements on the quantity and timeliness of location information are also getting higher and higher. As an important carrier of current location information, POI (Point Of Interest) has been widely used in LBS applications such as vehicle navigation systems. The real-time performance of POI data, the reliability and universality of data sources directly affect the LBS business. The quality of POI determines the quality of location-based services ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
Inventor 武红宇曹劲舟
Owner WUHAN UNIV
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