@TechReport{Samuelsson:1996_3,
      AUTHOR = {Samuelsson, Christer},
      TITLE = {Handling Sparse Data by Successive Abstraction},
      YEAR = {1996},
      MONTH = {January},
      NUMBER = {69},
      PAGES = {6},
      ADDRESS = {Saarbrücken},
      TYPE = {CLAUS-Report},
      INSTITUTION = {Unversität des Saarlandes},
      ABSTRACT = {A general, practical method for handling sparse data that avoids held-out data and iterative reestimation is derived from first principles. It has been tested on a part-of-speech tagging task and outperformed linear (deleted) interpolation even when the latter used a globally optimal parameter setting determined a posteriori.},
      ANNOTE = {COLIURL : Samuelsson:1996:HSDb.pdf}
}