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  year   = {2011},
  number = {},
  url    = {http://dblp.uni-trier.de/db/conf/kdd/kdd2011.html#HongYGD11},

  const  = {\ text}
}
@Inproceedings{hotho06trend,
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  year   = {2006},
  number = {},
  url    = {http://dblp.uni-trier.de/db/conf/samt/samt2006.html#HothoJSS06},

  const  = {\ text}
}
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  year   = {2006},
  number = {},
  url    = {http://www.cs.cornell.edu/home/kleinber/stream-survey04.pdf},

  const  = {\ text}
}
@Inproceedings{conf/adbis/KontakiPM05,
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  year   = {2005},
  number = {},
  url    = {http://dblp.uni-trier.de/db/conf/adbis/adbis2005.html#KontakiPM05},

  const  = {\ text}
}
@Article{journals/jasis/AmitayCHLS04,
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  year   = {2004},
  number = {14},
  url    = {http://dblp.uni-trier.de/db/journals/jasis/jasis55.html#AmitayCHLS04},

  const  = {\ text}
}
@Inproceedings{conf/cikm/GollapudiS04,
  author = {Gollapudi, Sreenivas and Sivakumar, D.},
  title  = {Framework and algorithms for trend analysis in massive temporal data sets.},

  year   = {2004},
  number = {},
  url    = {http://dblp.uni-trier.de/db/conf/cikm/cikm2004.html#GollapudiS04},

  const  = {\ text}
}
@Article{griffiths2004finding,
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  title  = {Finding scientific topics},

  year   = {2004},
  number = {},
  url    = {http://www.pnas.org/cgi/content/abstract/101/suppl_1/5228},

  const  = {\ text}
}