Title: Sŏul-si pŭraendŭ k'olt'aeksi hwalsŏnghwa saŏp kwa yŏn'gye han kyot'ong chŏngbo sujip ŭl wihan yŏn'gu =
Subjects: Intelligent transportation systems, Transportation, Information services, City traffic, Mathematical models, Taxicabs, Travel time (Traffic engineering)
Places: Seoul Metropolitan Area, Korea (South)