@Article{SCI:Fre2006a,
  author =    "J. Freire and C.T. Silva and S.P. Callahan and E.
              Santos and C.E. Scheidegger and H.T. Vo",
  title =     "Managing Rapidly-Evolving Scientific Workflows",
  booktitle = "Proceedings of The 2006 International Provenance
              and Annotation Workshop",
  journal =   "Provenance and Annotation of Data",
  pages =     "10--18",
  year =      "2006",
  series =    "Lecture Notes in Computer Science (LNCS)",
  keywords =  "scirun, pse pses problem solving envoronment,
              vistrails, provenance",
  url =       "http://www.sci.utah.edu/publications/freire06/ipaw2006.pdf",
}