++Sebastiaan J. van Schaik et al., A Memory Efficient Reachability Data Structure Through Bit Vector Compression, SOGMOD 2011.
#*非循环图的可达性查询对比集分析
++Gangyi Zhu et al., SciCSM: Novel Contrast Set Mining over Scientific Datasets Using Bitmap Indices, SSDBM 2015.
#* ISA增强的集运算
++O. Arnold et al., An application-specific instruction set for accelerating set-oriented database primitives. SIGMOD 2014.
#* 有限状态机运行并行加速
（Using Intel Xeon Phi）
#* ISA增强的集运算
++O. Arnold et al., An application-specific instruction set for accelerating set-oriented database primitives. SIGMOD 2014.
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