Method and system for generating travel od matrix based on spark RFID data
A data generation and matrix technology, which is applied in the fields of electrical digital data processing, digital data information retrieval, and special data processing applications, etc., can solve problems such as long investigation period, large manpower, and influence on the accuracy of OD matrix, and achieve high data conversion efficiency , low overhead, and the effect of avoiding performance bottlenecks
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[0031] The present invention will be further described below in conjunction with accompanying drawing and embodiment: figure 1 It is a schematic diagram of the principle of the present invention.
[0032] like figure 1 As shown, the method for generating the trip OD matrix based on the Spark-based RFID data in the present embodiment includes:
[0033] a. Store RFID (Radio Frequency Identification Data Set) in the distributed file system, and convert the RFID data set into an elastic distributed data set, and obtain the time-ordered vehicle identity through the elastic distributed data set Discrete sequences of information and driving trajectories;
[0034] b. extracting the radio frequency identification collection point numbers of the starting point and the ending point of the discrete sequence, using the numbers of the starting point and the ending point as the key value, summing the value values of the same key value, obtaining the flow of the OD matrix and saving it. ...
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