有向无环图上 k步可达查询优化算法
杜明, 杨安平, 周军锋, 陈子阳, 杨云
Optimized algorithm for k-step reachability queries on directed acyclic graphs
Ming DU, Anping YANG, Junfeng ZHOU, Ziyang CHEN, Yun YANG
《计算机应用》唯一官方网站 . 2020, (2): 426 -433 .  DOI: 10.11772/j.issn.1001-9081.2019081605