Tong Liu 0023 Lun Tang Weili Wang 0001 Qianbin Chen Xiaoping Zeng Digital-Twin-Assisted Task Offloading Based on Edge Collaboration in the Digital Twin Edge Network. 1427-1444 2022 9 IEEE Internet Things J. 2 https://doi.org/10.1109/JIOT.2021.3086961 db/journals/iotj/iotj9.html#LiuTWCZ22