@mastersthesis{xu:03ms,
  AUTHOR = {Lin Xu},
  TITLE = {{Consistency Methods for Temporal Reasoning}}, 
  YEAR = 2003,
  MONTH = {May},
  SCHOOL = {Department of Computer Science and Engineering, 
               University of Nebraska-Lincoln},
  ADDRESS = {Lincoln, NE},
  Note = {May 2003},
  KEYWORDS = {}
}