@InProceedings{	  LifshitsN07csr,
  author	= "Yury Lifshits and Dirk Nowotka",
  title		= "Estimation of the Click Volume by Large Scale Regression
		  Analysis",
  booktitle	= "Second International Symposium on Computer Science in
		  Russia, CSR 2007, Ekaterinburg, Russia, September 3-7,
		  2007, Proceedings",
  publisher	= "Springer",
  series	= "Lecture Notes in Computer Science",
  volume	= "4649",
  year		= "2007",
  editor	= "Diekert, Volker and Volkov, Mikhail and Voronkov, Andrei",
  pages		= "216--226",
  doi		= "10.1007/978-3-540-74510-5_23"
}