Pengyu Wang 0003 Chao Li 0009 Jing Wang 0055 Taolei Wang Lu Zhang 0049 Jingwen Leng Quan Chen 0002 Minyi Guo Skywalker: Efficient Alias-Method-Based Graph Sampling and Random Walk on GPUs. 304-317 2021 PACT https://doi.org/10.1109/PACT52795.2021.00029 conf/IEEEpact/2021 db/conf/IEEEpact/pact2021.html#WangLWWZLCG21