@TechReport{Dartmouth:TR2003-472,
  author = {Libo Song and David Kotz and Ravi Jain and Xiaoning He},
  title = {{Evaluating Location Predictors with Extensive Wi-Fi Mobility Data}},
  institution = {Dartmouth College, Computer Science},
  address = {Hanover, NH},
  number = {TR2003-472},
  year = {2003},
  month = {September},
  comment = {
    This report with this number was not released until 2004,  
    so it was given a new number and appeared as TR2004-491.
    A revised version was published as a short paper:
    Libo Song, David Kotz, Ravi Jain, and Xiaoning He. 
    Mobicom poster: Evaluating location predictors with extensive Wi-Fi
    mobility data. 
    ACM SIGMOBILE Mobile Computing and Communication Review, 
    7(4):64-65, October 2003.
  },
}