@Article{SCI:Dav2007b,
  author =    "S. Davidson and S. Cohen-Boulakia and A. Eyal and
              B. Ludascher and T. McPhillips and S. Bowers and J.
              Freire",
  title =     "Provenance in Scientific Workflow Systems",
  journal =   "IEEE Data Engineering Bulletin",
  volume =    "32",
  number =    "4",
  pages =     "44--50",
  year =      "2007",
  keywords =  "provenance, workflows, workflow management,
              vistrails",
  url =       "http://www.sci.utah.edu/publications/davidson07/davidson-provenance-lebull-07.pdf",
}