An Approach for Discovering Urban Transport Service Problem Based on Hotline

Table 1

“12328” hotline data sample.

Data	Example 1	Example 2
ID	115010251	115040340
City	Hohhot	Chifeng
Time	2022-10-25 10:06:09	2022-11-13 19:35:56
Content	The problem of driver service quality of the Didi platform, AS0	At 18:58, Mr. Wang called to take a K17 taxi (Dongsheng Guangan taxi company) from Dongsheng district Wanfenglu hotel to Dongsheng district Yonggui center, the driver’s service is surly