TY - Front. Comput. Sci. A1 - Sijing CHENG, Chao CHEN, Shenle PAN, Hongyu HUANG, Wei ZHANG, Yuming FENG T1 - Citywide package deliveries via crowdshipping: minimizing the efforts from crowdsourcers Y1 - 2022-10-15 JF - Frontiers of Computer Science JO - Front. Comput. Sci. SP - 165327 EP - VL - 16 IS - 5 UR - https://journal.hep.com.cn/fcs N1 - 10.1007/s11704-021-0568-5 ER -