Digital Library


Search: "[ author: Song Doo Hee ]" (3)
    k-obstacle Based Anonymity Trajectory(k-oATY) Methods to Protect the User’s k-trajectories in Continuous Query Processing
    Song Doo Hee The Transactions of the Korea Information Processing Society, Vol. 14, No. 6, pp. 379-385, Jun. 2025
    https://doi.org/10.3745/TKIPS.2025.14.6.379
    Keywords: Location-based service, information protection, continuous query processing, k-trajectories(k-T), Guaranteed k-trajectories(k-TG)

    Efficient k-ATY Method to Protect the User’s Trajectory in Continuous Queries
    Song Doo Hee KIPS Transactions on Computer and Communication Systems, Vol. 10, No. 8, pp. 231-234, Aug. 2021
    https://doi.org/10.3745/KTCCS.2021.10.8.231
    Keywords: Continuous Queries, information protection, trajectory, K-anonymity

    An Efficient Spatial Query Processing in Wireless Networks
    Song Doo Hee, Lee Hye Ri, Park Kwang Jin KIPS Transactions on Computer and Communication Systems, Vol. 8, No. 10, pp. 239-244, Oct. 2019
    https://doi.org/10.3745/KTCCS.2019.8.10.239
    Keywords: Scheduling Broadcast, Wireless Networks, Spatial Query Processing, location protection, Privacy