Leonardo Salayandia Paulo Pinheiro da Silva Ann Q. Gates Flor Salcedo Workflow-Driven Ontologies: An Earth Sciences Case Study. 17 2006 conf/eScience/2006 e-Science http://doi.ieeecomputersociety.org/10.1109/E-SCIENCE.2006.157 db/conf/eScience/eScience2006.html#SalayandiaSGS06