@inproceedings{BK09,
  title = "Competitive Analysis of Aggregate Max in Windowed Streaming",
  author = "Luca Becchetti and Elias Koutsoupias",
  year = "2009",
  booktitle = "Proceedings of the 36th International Colloquium on Automata, Languages, and Programming (ICALP)",
  pages = "156-170",
}