DM-MQTT: An Efficient MQTT Based on SDN Multicast for Massive IoT Communications

by Jun-Hong Park, Hyeong-Su Kim, Won-Tae Kim
Published 2018-09-01

High thermal stability of the amorphous oxide in Ti44.5Cu44.5Zr7Be4 metallic glass

by Sung Hyun Park, Ka Ram Lim, Min Young Na, Kang Cheol Kim, Won Tae Kim, Do Hyang Kim
Published 2015-11-01