@misc {IOPORT.70554343,
    author       = {Van Schaik, Sebastiaan J. and De Moor, Oege},
    title        = {A memory efficient reachability data structure through bit vector compression},
    howpublished = {SIGMOD Conference, 913-924 (2011).},
    year         = {2011},
    doi          = {10.1145/1989323.1989419},
    identifier   = {70554343},
}