Method and system for calculating urban land use mixing degree based on social media data.

A social media, hybrid technology, applied in data processing applications, special data processing applications, electrical digital data processing, etc., can solve the problems of long measurement cycle, high measurement cost, and difficulty in quantifying the degree of mixing of urban land use.

Active Publication Date: 2018-11-06
邢汉发
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The cost of this method is high and the calculation period is long. It is difficult to accura

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  • Method and system for calculating urban land use mixing degree based on social media data.
  • Method and system for calculating urban land use mixing degree based on social media data.
  • Method and system for calculating urban land use mixing degree based on social media data.

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[0075] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0076] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0077] In order to have a clearer understanding of the technical features, purposes and effects of the present i...

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Abstract

The invention discloses a method and a system for calculating the urban land use mixing degree based on the social media data. Firstly, the time information, the position information and the text information of the social media data are obtained through a network crawler method. Then, an LDA topic model is introduced to extract dynamic text topics by constructing text documents with different timeintervals. Then, the temporal similarity and semantic similarity of dynamic text topics are calculated, and the calculating index of the urban land use mixing degree is constructed by using a hierarchical clustering model. Finally, based on the calculating index of the mixing degree, an information entropy algorithm is used to calculate the mixing degree of urban land use.

Description

technical field [0001] The invention relates to the technical field of urban land use mixing degree calculation, in particular to a method and system for urban land use mixing degree calculation based on social media data. Background technique [0002] With the advancement of my country's urbanization process, the degree of urban agglomeration is increasing, and the degree of mixing of urban functions is also deepening, which makes the actual use of urban land present rich diversity and mixing. The mixed degree of urban land use refers to the degree of mixed use of land functions within the city. Its measurement and analysis results are of great significance for dividing the urban spatial layout, analyzing the distribution of population and jobs, and planning the travel distance and spatial distribution of residents. The existing urban land use mix degree calculation is mainly completed through questionnaire survey, field investigation, remote sensing image interpretation an...

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Application Information

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IPC IPC(8): G06F17/30G06Q10/06G06Q50/26
CPCG06Q10/06393G06Q50/26
Inventor 邢汉发孟媛
Owner 邢汉发
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