@inproceedings{ expressivereusableworkflowtemplates, title = {Expressive Reusable Workflow Templates} } , url = { gil-etal-escience09.pdf } } , booktitle = {Proceedings of the Fifth IEEE International Conference on e-Science, Oxford, UK, December 9-11} } , author = {Yolanda Gil and Paul Groth and Varun Ratnakar and Christian Fritz} } , year = {2009} } , keywords = {Workflows} }