Fuyuan Xiao 0001 Masayoshi Aritsugi Nested Pattern Queries Processing Optimization over Multi-dimensional Event Streams. 74-83 2013 COMPSAC https://doi.org/10.1109/COMPSAC.2013.14 https://doi.ieeecomputersociety.org/10.1109/COMPSAC.2013.14 conf/compsac/2013 db/conf/compsac/compsac2013.html#XiaoA13