TY - Journal of Beijing University of Posts and Telecommunications A1 - LI Fang-fang, LIU Hong-lei, YU Ge T1 - Query Processing over Constraint Event Stream with Uncertain Timestamps Y1 - 2017-04-26 00:00:00.0 JF - Journal of Beijing University of Posts and Telecommunications JO - Journal of Beijing University of Posts and Telecommunications SP - 49 EP - 56 VL - 40 IS - 2 UR - {https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2017.02.008} N1 - 10.13190/j.jbupt.2017.02.008 ER -