@InProceedings{SCI:Cal2006a,
  author =    "S.P. Callahan and J. Freire and E. Santos and C.E.
              Scheidegger and C.T. Silva and H.T. Vo",
  title =     "Managing the Evolution of Dataflows with
              VisTrails",
  booktitle = "Proceedings of The 2006 {IEEE} Workshop on
              Workflow and Data Flow for Scientific Applications
              (SciFlow 2006)",
  year =      "2006",
  keywords =  "vistrails,",
  url =       "http://www.sci.utah.edu/publications/stevec06/sciflow2006.pdf",
}