@inproceedings{vanSchaik:2011:MER:1989323.1989419,
  title = "A memory efficient reachability data structure through bit vector compression",
  author = "van Schaik, Sebastiaan J. and de Moor, Oege",
  year = "2011",
  address = "New York, NY, USA",
  booktitle = "Proceedings of the 2011 international conference on Management of data",
  isbn = "978-1-4503-0661-4",
  keywords = "PWAH, WAH, bit vector compression, graph indexing, reachability queries, transitive closure",
  location = "Athens, Greece",
  pages = "913--924",
  publisher = "ACM",
  series = "SIGMOD '11",
  url = "http://doi.acm.org/10.1145/1989323.1989419",
  doi = "http://doi.acm.org/10.1145/1989323.1989419",
}