Ensuring the integrity and non-repudiation of remitting e-invoices in conventional channels with commercially available NFC devices. - Shi-Cho Cha 001; Yuh-Jzer Joung; Yen-Chung Tseng; Shih-Chieh Huang; Guan-Heng Chen; Chih-Teng Tseng (SNPD, 2014)

Using low-cost, non-sensor-equipped BLE beacons to track people's movements: poster abstract. - Hsi-Yuan Tsai; Guan-Heng Chen; Huang-Chen Lee (IPSN, 2017)