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Young Jae Jang and Young Dae Ko, “Method And Apparatus for Determining Optimal Driving Information”, 10-1355989, 21 January 2014.

Young Jae Jang and Young Dae Ko, “Method And Apparatus for Extracting Optimal Infra Data According to Multiple Route”, 10-1316790, 11 October 2013.

Young Jae Jang and Young Dae Ko, “Method And Apparatus for Determining Optimal Driving Information by Using Optimal Information”, 10-1337002, 28 November 2013.

Young Jae Jang and Young Dae Ko, “Method And Apparatus for Extracting Optimal Infra Data According to Single Route”, 10-1318389, 8 October 2013.

Young Jae Jang and Young Dae Ko, “Method for Extracting Optimal Infra Data, Apparatus and Computer-Readable Recording Medium with Program Therefor”, 10-1335944, 27 November 2013.