@inproceedings{Freire:2006:Managing,
	author={J. Freire and S. Callahan and E. Santos and
                  C. Scheidegger, C. Silva and H. Vo},
	booktitle={Proceedings of the International Provenance and
                  Annotation Workshop},
	title={Managing Rapidly-Evolving Scientific Workflows},
	year=2006,
}