162 citations · 189 across the 3 of their papers we have counts for
3 papers
physics.soc-ph2011★ 15 cited
Master equation approach to the intra-urban passenger flow and application to the Metropolitan Seoul Subway system
Keumsook Lee, Segun Goh, Jong Soo Park +2
The master equation approach is proposed to describe the evolution of passengers in a subway system. With the transition rate constructed from simple geographical consideration, th…
physics.soc-ph2010★ 12 cited
Sleepless in Seoul: `The Ant and the Metrohopper'
Keumsook Lee, Jong Soo Park, Hannah Choi +2
One of Aesop's (La Fontain's) famous fables `The Ant and the Grasshopper' is widely known to give a moral lesson through comparison between the hard working ant and the party-lovin…
physics.soc-ph2008★ 162 cited
Statistical Analysis of the Metropolitan Seoul Subway System: Network Structure and Passenger Flows
Keumsook Lee, Woo-Sung Jung, Jong Soo Park +1
The Metropolitan Seoul Subway system, consisting of 380 stations, provides the major transportation mode in the metropolitan Seoul area. Focusing on the network structure, we analy…