TY - Computer Science A1 - HE Xin, LIU Tian-xu, DING Shuang and BAI Lin T1 - Optimization Selection Mechanism for Service Nodes in Hybrid Crowd Sensing Y1 - 2018-11-13 JF - Computer Science JO - Computer Science SP - 113 EP - 116 VL - 44 IS - 1 UR - https://www.jsjkx.com N1 - 10.11896/j.issn.1002-137X.2017.01.022 ER -