@InProceedings{Why_We_Twitter_Understanding_Microblogging_Usage_and_Communities,
  author = "Akshay  Java and Xiaodan  Song and Tim  Finin and Belle  Tseng",
  title = "{Why We Twitter: Understanding Microblogging Usage and Communities}",
  month = "August",
  year = "2007",
  pages = "56-65",
  booktitle = "Procedings of the  Joint 9th WEBKDD and 1st SNA-KDD Workshop 2007",
  publisher = "Springer",
}