Shawn Bowers Timothy M. McPhillips Sean Riddle Manish Kumar Anand Bertram Ludäscher Kepler/pPOD: Scientific Workflow and Provenance Support for Assembling the Tree of Life. 70-77 2008 IPAW http://dx.doi.org/10.1007/978-3-540-89965-5_9 conf/ipaw/2008 db/conf/ipaw/ipaw2008.html#BowersMRAL08