3 citations · 6 across the 2 of their papers we have counts for
10 papers · 1 filter
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…
Gravity model in the Korean highway
Woo-Sung Jung, Fengzhong Wang, H. Eugene Stanley
We investigate the traffic flows of the Korean highway system, which contains both public and private transportation information. We find that the traffic flow T(ij) between city i…
Dynamics of Helping Behavior and Networks in a Small World
Hang-Hyun Jo, Woo-Sung Jung, Hie-Tae Moon
To investigate an effect of social interaction on the bystanders' intervention in emergency situations a rescue model was introduced which includes the effects of the victim's acqu…
Grouping in the stock markets of Japan and Korea
Woo-Sung Jung, Okyu Kwon, Taisei Kaizoji +2
We investigated the temporally evolving network structures of the Japanese and Korean stock markets through the minimum spanning trees composed of listed stocks. We tested the vali…
Dynamics of the return distribution in the Korean financial market
Jae-Suk Yang, Seungbyung Chae, Woo-Sung Jung +1
In this paper, we studied the dynamics of the log-return distribution of the Korean Composition Stock Price Index (KOSPI) from 1992 to 2004. Based on the microscopic spin model, we…
Transfer Entropy Analysis of the Stock Market
Seung Ki Baek, Woo-Sung Jung, Okyu Kwon +1
In terms of transfer entropy, we investigated the strength and the direction of information transfer in the US stock market. Through the directionality of the information transfer,…