Raul Poler Marten van Sinderen Raquel Sanchis Enterprise Interoperability - Second IFIP WG 5.8 International Workshop, IWEI 2009, Valencia, Spain, October 13-14, 2009. Proceedings 38 http://dx.doi.org/10.1007/978-3-642-04750-3 2009 978-3-642-04749-7 IWEI Lecture Notes in Business Information Processing Springer db/conf/ifip5-8/iwei2009.html