Search Results - "Kwon, Okyu"

Refine Results
  1. 1

    Clustering and link prediction for mesoscopic COVID-19 transmission networks in Republic of Korea by Kwon, Okyu, Jo, Hang-Hyun

    Published in Chaos (Woodbury, N.Y.) (01-01-2023)
    “…We analyze the dataset of confirmed cases of severe acute respiratory syndrome coronavirus 2 (COVID-19) in the Republic of Korea, which contains transmission…”
    Get more information
    Journal Article
  2. 2

    Evidence of the importance of contact tracing in fighting COVID-19 by Kwon, Okyu

    Published in Epidemiology and health (2022)
    “…We analyzed data to determine whether there are distinguishing characteristics depending on the success or failure of control for coronavirus disease 2019…”
    Get full text
    Journal Article
  3. 3

    Effects of temperature, humidity, and diurnal temperature range on influenza incidence in a temperate region by Park, Ji‐Eun, Son, Woo‐Sik, Ryu, Yeonhee, Choi, Soo Beom, Kwon, Okyu, Ahn, Insung

    Published in Influenza and other respiratory viruses (01-01-2020)
    “…Background The effect of temperature and humidity on the incidence of influenza may differ by climate region. In addition, the effect of diurnal temperature…”
    Get full text
    Journal Article
  4. 4

    Statistical properties of COVID-19 transmission intervals in Republic of Korea by Seo, Yeonji, Kwon, Okyu, Jo, Hang-Hyun

    “…A transmission interval for an infectious disease is important to understand epidemic processes in complex networks. The transmission interval is defined as a…”
    Get full text
    Journal Article
  5. 5

    Grid-based Traffic Vulnerability Analysis by Using Betweenness Centrality by Jung, Seungkwon, Lee, Seungwoon, Kwon, Okyu, Kim, Byungsik

    Published in Journal of the Korean Physical Society (01-10-2020)
    “…We propose a technique to measure the impact of loss of traffic function in a particular area to surrounding areas. The proposed method is applied to the city…”
    Get full text
    Journal Article
  6. 6

    Physical network infrastructure design based on user communication patterns by Kwon, Okyu, Jung, Sangsu

    “…In order to ensure end-to-end links between the users of communication systems, the underlying physical communication network is usually designed…”
    Get full text
    Journal Article
  7. 7

    Early detection of influenza outbreak using time derivative of incidence by Son, Woo-Sik, Park, Ji-Eun, Kwon, Okyu

    Published in EPJ data science (11-09-2020)
    “…For mitigation strategies of an influenza outbreak, it can be helpful to understand the characteristics of regional and age-group-specific spread. In South…”
    Get full text
    Journal Article
  8. 8

    Intervention effects in the transmission of COVID-19 depending on the detection rate and extent of isolation by Kwon, Okyu, Son, Woo-Sik, Kim, Jin Yong, Kim, Jong-Hun

    Published in Epidemiology and health (23-06-2020)
    “…In 2020, the coronavirus disease 2019 (COVID-19) respiratory infection is spreading in Korea. In order to prevent the spread of an infectious disease, infected…”
    Get full text
    Journal Article
  9. 9

    Scaling laws between population and a public transportation system of urban buses by Kwon, Okyu

    Published in Physica A (01-08-2018)
    “…We explore the scaling relation between the population and the public transportation system of urban buses for the two cities Daejeon and Gwangju where urban…”
    Get full text
    Journal Article
  10. 10

    Nucleation, drift, and decay of phase bubbles in period-2 oscillatory wave trains in a reaction-diffusion system by Park, Jin-Sung, Woo, Sung-Jae, Kwon, Okyu, Kim, Tae Yun, Lee, Kyoung J

    Published in Physical review letters (15-02-2008)
    “…This is a report on experimental observations of phase bubbles, simply closed boundaries between domains oscillating 2pi out of phase, associated with period-2…”
    Get full text
    Journal Article
  11. 11

    Agent-based approach for generation of a money-centered star network by Yang, Jae-Suk, Kwon, Okyu, Jung, Woo-Sung, Kim, In-mook

    Published in Physica A (15-09-2008)
    “…The history of trade is a progression from a pure barter system. A medium of exchange emerges autonomously in the market, a position currently occupied by…”
    Get full text
    Journal Article
  12. 12

    Asymmetric information flow between market index and individual stocks in several stock markets by Kwon, Okyu, Oh, Gabjin

    Published in Europhysics letters (01-01-2012)
    “…In this study, we observed asymmetric information flow between the stock market index and their component stocks using a transfer entropy measure. We found…”
    Get full text
    Journal Article
  13. 13

    Korea's social dynamics towards power supply and air pollution caused by electric vehicle diffusion by Ahn, Sang-Jin, Kim, Leo, Kwon, Okyu

    Published in Journal of cleaner production (20-12-2018)
    “…Korea has the highest air pollution among the Organization for Economic Co-operation and Development (OECD) countries. Since the recent environmental analysis…”
    Get full text
    Journal Article
  14. 14

    Correlation and causality of influenza incidence pattern between regions in the case of South Korea by Kwon, Okyu, Son, Woo-Sik, Park, Ji-Eun

    Published in Physica A (01-06-2020)
    “…We investigate the interregional relationships of influenza incidence pattern for South Korea. The time series of the number of disease incidence by region was…”
    Get full text
    Journal Article
  15. 15

    Information flow between composite stock index and individual stocks by Kwon, Okyu, Yang, Jae-Suk

    Published in Physica A (01-05-2008)
    “…We investigate the strength and the direction of information transfer in the US stock market between the composite stock price index of stock market and prices…”
    Get full text
    Journal Article
  16. 16

    A causality between fund performance and stock market by Kim, Ho-Yong, Kwon, Okyu, Oh, Gabjin

    Published in Physica A (01-02-2016)
    “…We investigate whether the characteristic fund performance indicators (FPI), such as the fund return, the Net asset value (NAV) and the cash flow, are…”
    Get full text
    Journal Article
  17. 17

    User-Driven Economic Data Analysis Framework by Joon Heo, Okyu Kwon

    Published in 2014 IEEE World Congress on Services (01-06-2014)
    “…Since Big data analysis needs specific algorithms and computation resources, general user should get analysis results unilaterally from information provider…”
    Get full text
    Conference Proceeding
  18. 18

    Effect of spatially correlated noise on coherence resonance in a network of excitable cells by Kwon, Okyu, Jo, Hang-Hyun, Moon, Hie-Tae

    “…We study the effect of spatially correlated noise on coherence resonance (CR) in a Watts-Strogatz small-world network of Fitz Hugh-Nagumo neurons, where the…”
    Get full text
    Journal Article
  19. 19

    The double power law in human collaboration behavior: The case of Wikipedia by Kwon, Okyu, Son, Woo-Sik, Jung, Woo-Sung

    Published in Physica A (01-11-2016)
    “…We study human behavior in terms of the inter-event time distribution of revision behavior on Wikipedia, an online collaborative encyclopedia. We observe a…”
    Get full text
    Journal Article
  20. 20

    Intercity express bus flow in Korea and its network analysis by Kwon, Okyu, Jung, Woo-Sung

    Published in Physica A (01-09-2012)
    “…We investigated the express bus flow in Korea and its network topology. By using a gravity type model, we found that the bus flow between cities depends on the…”
    Get full text
    Journal Article