Philip Maechling Hans Chalupsky Maureen Dougherty Ewa Deelman Yolanda Gil Sridhar Gullapalli Vipin Gupta Carl Kesselman Jihie Kim Gaurang Mehta Brian Mendenhall Thomas A. Russ Gurmeet Singh Marc Spraragen Garrick Staples Karan Vahi Simplifying construction of complex workflows for non-expert users of the Southern California Earthquake Center Community Modeling Environment. 24-30 2005 34 SIGMOD Record 3 http://doi.acm.org/10.1145/1084805.1084811 db/journals/sigmod/sigmod34.html#MaechlingCDDGGGKKMMRSSSV05