@InProceedings{vigna03:webstat,
  author = 	 {Giovanni Vigna and  Wil Robertson and Vishal Kher and Richard Kemmerer},
  title = 	 {{A Stateful Intrusion Detection System for World-Wide Web Servers}},
  booktitle =	 {Proceedings of the Annual Computer Security Applications Conference (ACSAC)},
  pages =        {34--43},
  year =	 2003,
  address =	 {Las Vegas, NV},
  month =	 {December}
}