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A method of constructing a data warehouse of an urban passenger traffic information resource integration platform

A technology for passenger transportation and information resources, applied in the field of traffic management, can solve the problems of low data access efficiency, underutilized traffic information resources, and inability to perform diverse data mining analysis, so as to facilitate data mining and analysis, improve data The effect of access efficiency and efficient sharing and push

Inactive Publication Date: 2018-12-18
上海济通信息技术有限公司
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  • Description
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AI Technical Summary

Problems solved by technology

Traditional data warehouses provide fixed classification and fixed information, so the data access efficiency is low, and diverse data mining analysis cannot be performed, and traffic information resources are not fully utilized.

Method used

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  • A method of constructing a data warehouse of an urban passenger traffic information resource integration platform
  • A method of constructing a data warehouse of an urban passenger traffic information resource integration platform

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Embodiment Construction

[0026] The specific implementation manners of the present invention will be described below in conjunction with the accompanying drawings.

[0027] like figure 1 and figure 2 As shown, a method for constructing an urban passenger traffic information resource integration data warehouse specifically includes the following steps:

[0028] Step S1, layering data according to data characteristics. Urban passenger traffic information has the characteristics of multi-source and heterogeneity. Multi-source refers to the wide variety of ITS information, wide sources, and scattered distribution, which can be described from the aspects of main elements, time and space, participation levels, acquisition channels, and status categories. Heterogeneity is manifested in: (a) The representation of information is different. Quantitative information, such as traffic flow, vehicle speed, and various signal timing parameters; qualitative information, such as traffic congestion and service lev...

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Abstract

The invention provides a method for constructing a data warehouse of an urban passenger traffic information resource integration platform, which comprises the following steps: firstly, according to the data characteristics of the passenger traffic information, dividing the data into three layers: a basic data layer, a characteristic attribute layer and a state description layer; 2, extracting datafrom different data sources according to different subjects to form a collection of data sources surrounding the same subject; 3. performing dimension design, wherein the results of fact query are filtered according to dimension indicators, and only the data related to dimension indicators is allowed to be returned to users; 4, performing granularity design, which defines the granularity of dataas a part of the definition of data warehouse; 5, performing fact design, wherein the fact is the data and content that need to be analyzed, and is directly related to the dimension in the model; 6, performing data storage. The invention can improve data access efficiency, efficiently share push, and is convenient for data mining analysis and extraction of information with value.

Description

technical field [0001] The invention relates to a method for constructing a data warehouse of an urban passenger traffic information resource integration platform, belonging to the field of traffic management. Background technique [0002] With the development of industry informatization construction represented by "digital highway", "digital transportation management" and "digital bus", the construction of transportation equipment informatization has been fully implemented in many cities, resulting in a large number of diversified passenger transport Traffic data and information, such as taxis and buses equipped with GPS, video, coil, microwave and other traffic detectors, traffic event information, traffic management data, will generate a large amount of traffic data every moment, and perceive the operation of urban traffic and the context of development. However, the traditional construction mode has caused the phenomenon of "information islands": on the one hand, the ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06Q50/30
CPCG06Q50/40
Inventor 张力楠方新年周莉萍褚鹏飞
Owner 上海济通信息技术有限公司
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