Edoardo Pignotti Peter Edwards Alun D. Preece Nicholas Mark Gotts J. Gareth Polhill Enhancing Workflow with a Semantic Description of Scientific Intent. 644-658 2008 ESWC http://dx.doi.org/10.1007/978-3-540-68234-9_47 conf/esws/2008 db/conf/esws/eswc2008.html#PignottiEPGP08