@article{griffiths2004finding,
  author = {Griffiths, Thomas L. and Steyvers, Mark},
  interhash = {387a5060792d52ea73b02dd68e52559e},
  intrahash = {cbfda2e50bd63357890b9181d8883826},
  title = {Finding scientific topics},
  url = {http://www.pnas.org/cgi/content/abstract/101/suppl_1/5228},
  year = 2004
}

@inbook{kleinberg2006temporal,
  author = {Kleinberg, J.},
  booktitle = {Data Stream Management: Processing High-Speed Data Streams},
  editor = {Garofalakis, M. and Gehrke, J. and Rastogi, R.},
  interhash = {85abe180184277c0396745c7ce050c98},
  intrahash = {9c57003d80b81eab2f66b2faf02acb27},
  isbn = {3540286071},
  publisher = {Springer},
  title = {Temporal Dynamics of On-Line Information Streams},
  url = {http://www.cs.cornell.edu/home/kleinber/stream-survey04.pdf},
  year = 2006
}